“…Evidence of a posterior-superior humeral cyst was associated with decreased strikeouts per 9 innings (6.1 vs 8.0; P = .039) and total strikeout percentage (16.1% vs 23.2%; P = .04). …”
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“…Pitchers who failed to return to the MLB level had a lower preoperative strikeout percentage (P = .047), fewer strikeouts per 9 innings pitched (P = .046), fewer wins above replacement ([WAR]; P = .026), and lower player value (P = .030) than the pitchers who returned. …”
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“…There was also no significant difference in any of the secondary outcomes - runs per 9 innings (R/9), hits per 9 innings (H/9), walks per 9 innings (BB/9), strikeouts per 9 innings (K/9), home runs per 9 innings (HR/9), and strikeout-to-walk ratio (K/BB). …”
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“…Within this framework, we find that sensorimotor abilities are significant predictors of on-base percentage, walk rate and strikeout rate, accounting for age, position, and league. …”
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“…METHODS: All pitchers on 2 Major League Baseball teams who consented to participate during their preseason screening in 2019 and 2020 underwent standard and FEVER MRI, and performance data from the following season were recorded, including injuries, mean throwing velocity, number of innings pitched, strikeout percentage, walk percentage, weighted on-base average, and level of play reached (not signed, minor league, or major league). …”
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“…A logistic regression model was created using the following variables: 4-seam fastball velocity, 4-seam fastball spin rate, slider spin rate, curveball spin rate, strikeout percentage, and wins above replacement (WAR). …”
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“…Significant relationships between VO(2 max) and Walks per 9 Innings (BB/9) (p ≤ 0.05), Home Runs per 9 innings (HR/9) (p ≤ 0.05), Wins (W) (p ≤ 0.05), Fielding Independent Pitching (FIP) (p ≤ 0.01), Strikeouts (K) (p ≤ 0.01), Hits per 9 innings (H/9) (p ≤ 0.01), Strikeouts per 9 innings (K/9) (p ≤ 0.01), ERA (p ≤ 0.01), and WHIP (p ≤ 0.01). …”
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“…Historically, performance after return to play (RTP) from injury has focused on general descriptive statistics, such as innings or games played, or rate statistics with inherent variability (eg, earned run average, walks and hits per inning pitched, strikeouts per 9 innings, or walks per 9 innings). However, in recent years, MLB has incorporated advanced technology and tracking systems in every stadium, allowing for more in-depth analysis of pitcher-specific data that are captured with every pitch of every game. …”
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“…Using the largest archival dataset of MLB statistics available, the present study examined the independent influence of batting (i.e., left, right, switch) and throwing (i.e., left, right) handedness combinations and country/region of origin (i.e., Canada, USA, Latin America, Asia, Other) on several indices of offensive performance including BA, slugging percentage (SLG), on-base plus slugging (OPS), on-base plus slugging plus (OPS+), home runs (HR), runs batted in (RBI), strikeouts (SO) and wins above replacement (WAR). Mediation models were also computed to examine whether birthplace influences offensive performance through handedness. …”
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“…Performance data collected consisted of ERA (earned run average), WHIP (walks plus hits per innings pitched), walks, strikeouts, and percent strikes. RESULTS: In MLB, 134 forearm flexor injuries occurred with a mean player age of 28.6 years and 111 (82.8%) were pitchers. …”
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“…For 20 pitchers who returned to pitch, MLB pitching metrics of earned run average (ERA), walks plus hits per innings pitched (WHIP), wins above replacement (WAR), strikeouts per nine innings (K/9), average fastball velocity, and strike percentage, were used to assess a pitcher’s ability to return to preoperative performance level. …”
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“…Return to play, games played, innings pitched, earned runs, strikeouts, walks, hits allowed, hit batsman, and quality starts were also collected. …”
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“…Performance data included innings pitched (IP), games played (GP), earned run average (ERA), complete GP, shutouts, saves, hits, runs, home runs (HR), walks, strikeouts (K), walks plus hits per IP (WHIP), and earned runs (ER). …”
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“…Data obtained included time to return to competition, number of collegiate seasons played after surgery, total games started and played, seasonal wins, losses, saves, innings played, hits, earned run average (ERA), home runs, shutouts, strikeouts, walks, and walks plus hit per inning pitched (WHIP). …”
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“…METHODS: Inclusion criteria were baseball pitchers who entered the Major League System from 1989-1992 only including those with no missing information for the following variables: Average Innings pitched per year before and after age 25, Earned Run Average (ERA), Walks and Hits divided by Innings Pitched (WHIP), Strike to Walk ratio (SWR), Strikeouts, Walks, Length of career, starting and Retirement age. 96 pitchers met those criteria. …”
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“…In terms of walks and hits per innings pitched (WHIP), strikeouts per 9 innings (K/9), and walks per 9 innings (BB/9), the only significant difference between pre-injury and post-injury outcomes was a significant higher K/9 in the first season after return (p=0.031) (Table 1). …”
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