Single Season Pitching Records (Positive)
Games: Craig Breslow (STL), 2014 - 143
Wins: Clayton Kershaw (SEA), 2017/Yu Darvish (NYY), 2018/Hubert Kruger (TOR), 2028 - 28
ERA: Daniel Bard (TOR), 2012 - 1.14
Innings Pitched: Will Sloan (TKY), 2026 - 297.0
Strikeouts: Tom Fitzpatrick (MEX), 2017 - 270
Complete Games: Will Sloan (TKY), 2026 - 31
Saves: Daniel Bard (LAA), 2013 - 52
Shutouts: Roberto Rivera (PHI), 2022/Michael Patton (SF), 2025/Fred Monk (SF), 2025/Isaac Hess (PH), 2025/Will Sloan (TKY), 2025/Conrad Guardipee (MIN), 2017 - 7
WHIP: Daniel Bard (LAA), 2014 - 0.63
Strikeouts per 9 Innings Ratio: Freddy Park (CIN), 2012 - 10.5
Walks per 9 Innings Ratio: Mariano Rivera II (TEX), 2026 - 0.6
Hits per 9 Innings Ratio: Chris J. Sale (NYY), 2021 - 3.3
