scholarly journals Exceeding Pitch Count Recommendations in Little League Baseball Increases the Chance of Requiring Tommy John Surgery as a Professional Baseball Pitcher

2017 ◽  
Vol 5 (3) ◽  
pp. 232596711769508 ◽  
Author(s):  
Brandon J. Erickson ◽  
Peter N. Chalmers ◽  
Michael J. Axe ◽  
Anthony A. Romeo
Keyword(s):  
Ulnar Collateral Ligament ◽  
Professional Baseball ◽  
Level Of Evidence ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Elbow Injury ◽  
World Series ◽  
Little League ◽  
Minor League ◽  
Tommy John

Background: Empirical evidence has suggested a connection between youth pitch counts and subsequent elbow injury. For players within the Little League World Series (LLWS), detailed historical player data are available. Some of these players progress to both professional play and require an ulnar collateral ligament reconstruction (UCLR). Purpose: To determine the percentage of LLWS pitchers who proceed to play professional (major or minor league) baseball, the rate of UCLR in former LLWS pitchers who played professional baseball, and the risk to those who exceeded current pitch count recommendations while playing in the LLWS. Study Design: Cohort study; Level of evidence, 3. Methods: All LLWS pitchers from 2001 through 2009 from all teams and countries were identified, and all performance data were extracted. A professional (major and minor league) baseball database was then searched to determine whether each former LLWS pitcher played professional baseball. These professional players were then searched for using publicly available databases to determine whether they underwent UCLR. Results: Overall, 638 adolescents pitched in the LLWS between 2001 and 2009; 62 (10%) progressed to professional play. Of the 56 minor league players, 25 (45%) pitched. Of the 6 Major League Baseball players, 3 (50%) pitched. Three former LLWS pitchers (5%) who played professionally underwent UCLR. In former LLWS pitchers who exceeded pitch counts and played professionally, 50% (2/4) required UCLR, while only 1.7% (1/58) of those who did not exceed pitch count recommendations required UCLR ( P = .009). Similarly, among former LLWS pitchers who subsequently played professionally, 23.1% of those who played as a pitcher required UCLR while 0% of those who also played other positions required UCLR ( P = .008). Conclusion: Progression from LLWS pitching to professional baseball is uncommon. Among youth players, both diversification (playing other positions besides pitcher) as well as following current pitch limit regulations may protect against UCLR.

scholarly journals Comparative Analysis of the Nonoperative Treatment of Elbow Ulnar Collateral Ligament Injuries in Professional Baseball Players with and without Platelet-Rich Plasma

2018 ◽  
Vol 6 (7_suppl4) ◽  
pp. 2325967118S0008 ◽  
Author(s):  
Peter Douglas McQueen ◽  
Christopher L. Camp ◽  
Aakash Chauhan ◽  
Brandon J. Erickson ◽  
Hollis G. Potter ◽  
...  
Keyword(s):  
Recovery Time ◽  
Platelet Rich Plasma ◽  
Ulnar Collateral Ligament ◽  
Nonoperative Treatment ◽  
Return To Play ◽  
Professional Baseball ◽  
Collateral Ligament ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Minor League

Objectives: In the setting of ulnar collateral ligament (UCL) injury, surgical reconstruction of the UCL is not always selected, as it leads to a prolonged recovery time and return to play rates between 67-95%. To date, there is limited data on outcomes following nonoperative treatment in this population. Orthobiologics, such as platelet-rich plasma (PRP), have recently been used as an adjunct therapy for standard nonoperative treatment including rest and physical therapy for UCL injuries. The objective of this study was to determine if the addition of PRP injections in professional baseball players with UCL injuries reduces recovery time, lowers the likelihood of surgery, and increases the return to play rate compared to traditional nonoperative treatment. Methods: The Health and Injury Tracking System (HITS) database was searched from 2011-2015 for Major and Minor league baseball players with Grade I, II or III UCL injuries. Standard demographic, injury, and return to play data was obtained for all players. MRI’s for 353 athletes were reviewed by a musculoskeletal radiologist and graded accordingly. Outcomes were compared between players who received PRP injections in addition to traditional nonoperative treatment (PRP group) and players who received traditional nonoperative treatment alone (No PRP group). Statistical analysis was performed using Student’s T-test and Chi-square for parametric data. Kaplan Meier’s analysis was used for estimating longevity of the treatment. Results: A total of 544 Major and Minor League Baseball players with UCL tears underwent an initial course of nonoperative treatment (active rest & rehabilitation) for their injury between 2011-2015. Of these, 133 underwent PRP injections plus rehab and 411 underwent rehab alone. There was a significantly higher proportion of Major League Baseball players in the PRP group compared to the No PRP group (25.6% vs 9.0%, P<0.001). There was no difference between the two cohorts in regard to the grade of UCL tear (Figure 1). The players in the PRP group had a significantly longer time before returning to a throwing program compared to the No PRP group (64 days vs 51 days, P<0.001). The mean time from injury date to PRP injection was 14.5 days, which may explain the difference in time to return to throwing. The return to play rate in a live game without surgery was significantly lower in the PRP group compared to the No PRP group (46% vs 57%, P=0.03). There was no difference in the proportion of athletes requiring UCL reconstruction (58% vs 51%) or the time to surgery (154 days vs 178 days) between the two groups. Kaplan Meier survivor analysis showed no difference between the PRP and No PRP groups with regard to longevity of the native UCL (Figure 2). Conclusion: Among Major and Minor League Baseball players who were treated nonoperatively for a UCL injury between 2011-2015, 24% underwent PRP injections prior to rehab. Compared to traditional nonoperative rehab alone program, players who received PRP injections experienced a significantly longer time before returning to throwing, which may be in part due to the delay between the injury date and PRP injection. PRP injections did not appear to have a significant effect on the likelihood of surgical intervention.

scholarly journals Analysis of Non-Game Injuries in Major League Baseball

2019 ◽  
Vol 7 (12) ◽  
pp. 232596711988849
Author(s):  
Amanda Esquivel ◽  
Michael T. Freehill ◽  
Frank C. Curriero ◽  
Kevin L. Rand ◽  
Stan Conte ◽  
...  
Keyword(s):  
Recent Literature ◽  
Major League Baseball ◽  
Tracking System ◽  
Injury Rate ◽  
Primary Diagnosis ◽  
Professional Baseball ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Minor League ◽  
Major League

Background: Numerous studies have investigated injuries and treatments in the baseball athlete. The majority of these studies have focused on the throwing shoulder and elbow. However, more recent literature is reporting injuries to other regions in this cohort, including the knee, head, hip, and hamstring. Purpose/Hypothesis: The purpose of the current study was to determine the number and type of injuries in Major League Baseball (MLB) and Minor League Baseball (MiLB) players that do not occur during the actual game but are related to baseball participation. Our hypothesis was that there would be a substantial number of injuries that occurred in professional baseball players during non-game situations. Study Design: Descriptive epidemiological study. Methods: Deidentified, anonymous data were collected from the 2011 through 2016 seasons from the MLB Health and Injury Tracking System (HITS) medical record database. All injuries that were identified as a primary diagnosis and resulted in at least 1 day out of play from both MLB and MiLB were examined. Injuries were categorized as occurring during the game (“game” injuries) or not during the game. A “non-game” injury was defined as occurring at any time other than during the scheduled game from the first to last pitch. Results: There were 51,548 total injuries in MLB and MiLB players from 2011 to 2016, almost 40% of which were attributed to non–game-related injuries (n = 19,201; 37.2%). The remainder occurred during a game (n = 32,347; 62.8%). A significantly greater percentage of non-game injuries were season ending (10.8%) compared with the percentage of game-related season-ending injuries (8.4%) ( P < .0001). Pitchers had significantly more non–game-related injuries than game-related injuries ( P < .0001). Conclusion: A large number of injuries occur in professional baseball outside of actual games. MiLB players, specifically pitchers, are particularly at risk for these types of injuries. It is feasible that the overall injury rate in professional baseball players could be reduced by analyzing these injuries in more detail to develop prevention strategies.

Ankle and Lower Leg Injuries in Professional Baseball Players

2020 ◽  
Vol 48 (4) ◽  
pp. 908-915 ◽  
Author(s):  
Christopher J. Lucasti ◽  
Myles Dworkin ◽  
William J. Warrender ◽  
Brian Winters ◽  
Steven Cohen ◽  
...  
Keyword(s):  
Surveillance System ◽  
Tracking System ◽  
Lower Leg ◽  
Injury Surveillance ◽  
Professional Baseball ◽  
Injury Surveillance System ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Leg Injuries ◽  
Minor League

Background: Ankle and lower leg injuries are very common in sports, and numerous studies have discussed their diagnosis and management. Our study differs in that we report lower leg injuries in professional baseball players spanning the 2011-2016 seasons by utilizing a comprehensive injury surveillance system developed by Major League Baseball (MLB). Purpose: To determine the injury characteristics of ankle and lower leg injuries in professional baseball players during the 2011-2016 seasons by utilizing the MLB injury surveillance system. Study Design: Descriptive epidemiology study. Methods: Our study is a descriptive epidemiological evaluation through a retrospective review of injury data from the MLB Health and Injury Tracking System (HITS) since its implementation in 2010. We included any professional baseball player (MLB and Minor League Baseball [MiLB]) who was identified as having an ankle or lower leg injury between January 1, 2011, and February 28, 2017. Results: Over the study period, there were a total of 4756 injuries, of which 763 (16%) occurred in MLB players and 3993 (84%) occurred in MiLB players. The mean number of days missed for all players was 27.8 ± 141.4 days, with a median of 3 days. From 2011 through 2016, it was estimated that there were 414,912 athlete exposures (AEs) in MLB and 1,796,607 AEs in MiLB. Of the 4756 injuries recorded, 550 (12%) took place during the MLB regular season, and 3320 (70%) took place during the MiLB regular season. Injuries in MLB players, however, were 1.7 times more likely to require surgery ( P < .001). Additionally, rates of injury to the lower leg were stratified by position, with infield players experiencing injuries at a 1.6 times greater rate than any other position ( P < .001). Conclusion: In conclusion, this is the only epidemiological study to focus primarily on ankle and lower leg injuries in professional baseball players, utilizing an injury surveillance system developed by MLB.

Ulnar Collateral Ligament Tear Location May Affect Return-to-Sports Rate but Not Performance Upon Return to Sports After Ulnar Collateral Ligament Reconstruction Surgery in Professional Baseball Players

2020 ◽  
Vol 48 (11) ◽  
pp. 2608-2612 ◽  
Author(s):  
Brandon J. Erickson ◽  
James Carr ◽  
Peter N. Chalmers ◽  
Evan Vellios ◽  
David W. Altchek
Keyword(s):  
Ulnar Collateral Ligament ◽  
Nonoperative Treatment ◽  
Professional Baseball ◽  
Return To Sports ◽  
Collateral Ligament ◽  
Level Of Evidence ◽  
Baseball Players ◽  
Preoperative Magnetic Resonance ◽  
Magnetic Resonance Imaging Mri ◽  
And Performance

Background: The number of ulnar collateral ligament (UCL) tears in professional baseball players is increasing. UCL reconstruction (UCLR) is the treatment of choice in players with failed nonoperative treatment who wish to return to sports (RTS). It is unknown if UCL tear location influences the ability of players to RTS or affects their performance upon RTS. Purpose/Hypothesis: The purpose was to compare the RTS rate and performance upon RTS in professional baseball players who underwent UCLR based on UCL tear location (proximal vs distal). It was hypothesized that no difference in RTS rate or performance upon RTS will exist between players with proximal or distal UCL tears. Study Design: Cohort study; Level of evidence, 3. Methods: All professional baseball players who underwent primary UCLR by a single surgeon between 2016 and 2018 were eligible for inclusion. Players with purely midsubstance tears or revision UCLR were excluded. Tear location was determined based on preoperative magnetic resonance imaging (MRI) and intraoperative findings. RTS rate and performance were compared between players with proximal versus distal UCL tears. Results: Overall, 25 pitchers (15 proximal and 10 distal tears) and 5 position players (2 proximal and 3 distal) underwent primary UCLR between 2016 and 2018. Of the 25 pitchers, 84% were able to RTS. Of the 5 position players, 80% were able to RTS. Among the total cohort of pitchers and position players, 12 out of 17 (71%) players with proximal tears were able to RTS, while of the 13 distal tears, 13 out of 13 (100%) players were able to RTS ( P = .05). With regard to performance data, pitchers with distal tears had higher utilization postoperatively and, as such, allowed statistically more hits ( P = .03), runs ( P = .015), and walks ( P = .021) postoperatively. However, the WHIP ([walks + hits]/innings pitched) was not different between players with proximal or distal tears, indicating that efficacy in games was not significantly different between groups. Conclusion: Professional baseball players who sustain a distal UCL tear and undergo UCLR may be more likely to RTS than those who sustain a proximal UCL tear and undergo UCLR. Players with distal UCL tears who underwent UCLR saw higher utilization postoperatively than those with proximal UCL tears. Further work is needed in this area to confirm this result.

Elbow Injuries in Professional Baseball: Epidemiological Findings From the Major League Baseball Injury Surveillance System

2017 ◽  
Vol 45 (10) ◽  
pp. 2319-2328 ◽  
Author(s):  
Michael G. Ciccotti ◽  
Keisha M. Pollack ◽  
Michael C. Ciccotti ◽  
John D’Angelo ◽  
Christopher S. Ahmad ◽  
...  
Keyword(s):  
Injury Prevention ◽  
Surveillance System ◽  
Injury Surveillance ◽  
Professional Baseball ◽  
Injury Surveillance System ◽  
Baseball Players ◽  
Elbow Injury ◽  
Minor League ◽  
Major League ◽  
Elbow Injuries

Background: Elbow injuries cause significant disability for the throwing athlete. Scant data are available on the distribution and characteristics of these injuries in elite baseball players. No study exists that focuses solely on the epidemiological characteristics of elbow injuries in professional baseball players using a comprehensive injury surveillance system. Hypothesis: Professional baseball players have a high occurrence of elbow injuries influenced by factors including length of time playing, time period within the annual baseball season, and specific position played. Study Design: Descriptive epidemiological study. Methods: Data on elbow injuries occurring during the 2011-2014 seasons were collected from Major League Baseball’s Health Injury and Tracking System, a comprehensive injury surveillance system. Each specific type of elbow injury was evaluated with respect to overall injury rate, years as a professional player, mechanism of injury, treatment, average time lost, and return to play. Results: During the study period, 3185 elbow injuries (n = 430 Major League; n = 2755 Minor League) occurred. The mean number of days missed and percentage requiring surgery were similar between Major and Minor League players. Overall, 20.0% (650/3185) of the injuries required surgical treatment. Pitchers were the most likely to incur an elbow injury (40.0% of injured athletes were pitchers), were the most likely to require surgery (34.2% of injured pitchers required surgery), and had the greatest mean number of days missed when treated nonsurgically (33.2 days). Medial injuries composed 42.1% (1342/3185) of all elbow injuries. Of all elbow surgeries performed during the study period, the highest percentage involved ligaments (372/650; 57.2%). Conclusion: Elbow injuries are a considerable source of disability in professional baseball players. Pitchers are most likely to incur these injuries, are most likely to require surgery, and have the highest mean number of days missed when treated nonsurgically. The most common injuries involve the medial elbow, with ligament injuries most often requiring surgery. This study represents the only investigation to date using a comprehensive injury surveillance system to examine elbow injuries in professional baseball players. It provides a basis for injury prevention and treatment recommendations, establishes the most thorough framework for determining elbow injury risk, and focuses continued research on elbow injury prevention in the elite baseball player.

Effect of Forearm Position on Glenohumeral External Rotation Measurements in Baseball Players

2021 ◽  
pp. 194173812110329
Author(s):  
W. Ben Kibler ◽  
Aaron Sciascia ◽  
John Stuart Mattison Pike ◽  
Michael Howell ◽  
Kevin E. Wilk
Keyword(s):  
Injury Risk ◽  
External Rotation ◽  
Level Of Evidence ◽  
Cross Sectional ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Minor League ◽  
Level 3 ◽  
Motion Measurements ◽  
Throwing Motion

Background: Alterations in glenohumeral internal rotation (GIR), glenohumeral external rotation (GER), and the total arc of motion (TAM) have been linked with increased injury risk in the shoulder and elbow. These motions have been routinely measured with the forearm in neutral rotation (GIRN, GERN, TAMN). GER capacity appears to be especially important. The throwing motion, however, requires forearm pronation as GER occurs to achieve optimal cocking (GERP). No previous studies have evaluated GERP to determine GER capacity or pronated TAM (TAMP) values. Hypothesis: There would be significant differences between GERN and TAMN and between GERP and TAMP. Study Design: Cross-sectional. Level of Evidence: Level 3. Methods: Sixty asymptomatic male Minor League Baseball players (32 pitchers, 28 position players) participated in the study and were tested on the first day of spring training. Passive range of motion measurements were recorded using a long-arm bubble goniometer for GIRN, GERN, and GERP on both arms. TAM was calculated separately as the sum of internal and external rotational measurements under neutral and pronated conditions. Results: Within pitchers and position players, all measurements were statistically reduced for the throwing arm ( P ≤ 0.03) except for GERN of the pitchers. GERP measures were significantly less than GERN for both arms of each group ( P < 0.01): pitchers throwing arm +11.8°/nonthrowing arm +4.8°, position players throwing arm = +8.6°/nonthrowing arm +4.0°. Conclusion: The forearm position of pronation, which appears to be mediated by tightness of the biceps, decreases GER capacity and TAM. GER and TAM should be calculated in neutral and pronated positions, considering that 80% of the players have a demonstrated difference between 8° and 12°. Clinical Relevance: Measurement of GERP more accurately reflects the GER required in throwing, allows better quantification of the motion capacity necessary to withstand the loads in throwing, and may suggest interventions for at risk athletes.

scholarly journals Hamstring Injury Trends in Major and Minor League Baseball: Epidemiological Findings From the Major League Baseball Health and Injury Tracking System

2019 ◽  
Vol 7 (7) ◽  
pp. 232596711986106
Author(s):  
Kelechi R. Okoroha ◽  
Stan Conte ◽  
Eric C. Makhni ◽  
Vincent A. Lizzio ◽  
Christopher L. Camp ◽  
...  
Keyword(s):  
Major League Baseball ◽  
Platelet Rich Plasma ◽  
Tracking System ◽  
Hamstring Injury ◽  
Professional Baseball ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Hamstring Injuries ◽  
Minor League ◽  
Major League

Background: Hamstring strains are the most common injury for professional baseball players and can result in significant time on the disabled list. To date, no study has reported the current trends in hamstring strains in professional baseball. Hypothesis: Professional baseball players would have an increased incidence of hamstring strains from 2011 through 2016. Study Design: Descriptive epidemiology study. Methods: Injury data were prospectively collected from 2011 through 2016 for every Major League Baseball (MLB) and Minor League Baseball (MiLB) team and was recorded in the MLB Health and Injury Tracking System. Data collected for this study included date of injury, activity during injury, time lost, primary injury or reinjury status, and imaging findings as well as player demographic information related to level of play, age, and position for all hamstring injury events. Injury rates were reported as hamstring injuries per number of games. Results: From 2011 to 2016, there were 2633 hamstring strains in professional baseball players. The rate of hamstring strains increased in MLB from a low of 1 injury every 39 games in 2011 to a high of 1 injury every 30 games in 2016. In MiLB, there were 2192 hamstring strains, with 1 injury every 35 games in 2011 compared with 1 injury every 30 games in 2016. The majority of injuries occurred in the infielder positions (37.5%) and resulted from base running (>50%), most commonly from home to first base. The most common hamstring injury was a grade 2 injury to the distal biceps femoris. The mean time missed after a hamstring injury was 14.5 days. Grade 3 and grade 2 hamstring strains resulted in significantly more days missed compared with grade 1 injuries ( P = .005 and P = .002, respectively). The rate of recurrent hamstring injuries was 16.3% for MLB and 14.2% for MiLB. Recurrent hamstring injuries resulted in more time lost than primary injuries (mean, 16.4 vs 14.5 days, respectively; P = .02). A total of 42 injuries were treated with platelet-rich plasma, and 19 were treated with surgery. The number of injuries treated with platelet-rich plasma increased in successive years. Conclusion: The rate of hamstring strains in professional baseball players has increased over the past 6 years and has resulted in a significant loss of playing time. Study results indicated that these injuries are affected by injury characteristics, position played, running to first base, seasonal timing, and history of hamstring injuries.

Psychological Skills as Predictors of Performance and Survival in Professional Baseball

1995 ◽  
Vol 17 (4) ◽  
pp. 399-415 ◽  
Author(s):  
Ronald E. Smith ◽  
Donald S. Christensen
Keyword(s):  
Professional Baseball ◽  
Psychological Skills ◽  
Baseball Players ◽  
Minor League Baseball ◽  
Psychological Measures ◽  
Minor League ◽  
Rating Form ◽  
Expert Ratings ◽  
Physical Skills

The role of physical and psychological skills as predictors of performance and survival in professional baseball was studied in a sample of 104 minor league baseball players. Psychological and physical skills were largely uncorrelated with one another and appear to be measuring separate and independent skill domains. Preseason scores on the Athletic Coping Skills Inventory (ACSI-28) and coaches’/managers’ ratings of the same skills on an ACSI Rating Form each accounted for as much performance variance in batting average (approximately 20%) as did physical skills when differences in the latter were statistically controlled, and the psychological measures accounted for substantially more variance in pitchers’ earned run averages than did the expert ratings of physical skills. The psychological skills measures also predicted athletes’ survival in professional baseball 2 and 3 years after they were obtained. Bayesian hit rate anlayses indicated substantially increased survival predictability over simple base rate predictions.

scholarly journals Prevalence of Medial Ulnar Collateral Ligament Surgery in 6135 Current Professional Baseball Players: A 2018 Update

2019 ◽  
Vol 7 (9) ◽  
pp. 232596711987144 ◽  
Author(s):  
Devin P. Leland ◽  
Stan Conte ◽  
Nancy Flynn ◽  
Nicholas Conte ◽  
Ken Crenshaw ◽  
...  
Keyword(s):  
United States ◽  
Ulnar Collateral Ligament ◽  
The United States ◽  
Professional Baseball ◽  
Published Data ◽  
Collateral Ligament ◽  
Online Questionnaire ◽  
Level Of Evidence ◽  
Cross Sectional ◽  
Baseball Players

Background: As the incidence of ulnar collateral ligament (UCL) surgery continues to rise rapidly, an update on the current prevalence and demographics in professional baseball players is warranted. Hypothesis: The prevalence of UCL reconstruction in Major League Baseball (MLB) and Minor League Baseball (MiLB) players will be higher than that previously reported, and the increase in prevalence will be most notable in MiLB pitchers. Study Design: Cross-sectional study; Level of evidence, 3. Methods: During the 2018 baseball season, an online questionnaire regarding a history of UCL surgery was distributed to the certified athletic trainers of all 30 MLB organizations. These trainers then administered the survey to all players within their organizations, including MLB, MiLB (AAA, AA, High A, Low A, High Rookie, Low Rookie), and Dominican Summer League (DSL) players. Demographics were compared between MLB, MiLB, and DSL players. Results of this 2018 survey were compared with previously published data from the 2012 season to assess the change over time. Results: There were 6135 professional baseball players who completed the survey (66% response rate). The prevalence of UCL reconstruction in all MLB and MiLB players was 13% (637/4928), while the prevalence in DSL players was 2% (20/1207) ( P < .001). The prevalence in all MLB and MiLB players (13%) and pitchers (20%) both increased significantly from 2012 ( P < .001). MLB pitchers reported a higher prevalence of UCL reconstruction than did MiLB pitchers (26% vs 19%, respectively; P < .001). In 2018, the prevalence of UCL reconstruction has increased significantly in MiLB pitchers (19% vs 15%, respectively; P < .001) and pitchers aged 21 to 30 years (22% vs 17%, respectively; P < .001) compared with 2012. Additionally, United States–born pitchers were more likely to have undergone UCL reconstruction compared with Latin America–born pitchers (23% vs 13%, respectively; P < .001). Conclusion: The prevalence of UCL reconstruction has increased significantly in professional baseball players over the past 6 years from 10% to 13%. Ultimately, the prevalence of UCL reconstruction has increased most significantly since 2012 in MiLB pitchers, pitchers aged 21 to 30 years, and pitchers born in the United States.

Patterns of Specialization in Professional Baseball Players

2014 ◽  
Vol 8 (3) ◽  
pp. 261-275 ◽  
Author(s):  
Richard D. Ginsburg ◽  
Steven R. Smith ◽  
Nicole Danforth ◽  
T. Atilla Ceranoglu ◽  
Stephen A. Durant ◽  
...  
Keyword(s):  
Late Adolescence ◽  
Developmental Pathways ◽  
Professional Baseball ◽  
Baseball Players ◽  
Common Assumption ◽  
Minor League Baseball ◽  
Minor League ◽  
The Mean ◽  
Early Specialization ◽  
To Receive

Two developmental pathways to sport excellence have been described: early specialization and early sampling (Côté, Lidor, & Hackfort, 2009). Despite a common assumption that early specialization (defined as playing one sport exclusively and intensely before age 12) is a necessary precursor to success at the collegiate or professional levels, research to support this assumption remains unclear. To add to this literature, the current study was a survey of 708 minor league professional baseball players on the ages at which they began to specialize in their sport. Results indicated that most players sampled a diversity of sports up through late adolescence. Only 25% of players specialized before the age of 12 and the mean age of specialization was 15 years. Furthermore, those who specialized later were more likely to receive college scholarships. Finally, we examined patterns of specialization as a function of athletes’ home climate and culture. At least in this sample of professional minor league baseball players, an early sampling pathway seems to have fortified success at both the collegiate and professional levels.

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