Single-Season Innings Pitched
Leaderboard
 
* - Indicates Hall of Fame
Rank    Player Innings Pitched IP Year Career Leaderboard
1.    Roy Halladay 298.3 298.3 2005  
2.    Barry Zito 293.7 293.7 2009  
3.    Jesse Foppert 292.7 292.7 2009  
4.    Korey Mathison 290.7 290.7 2021  
5.    Korey Mathison 287.3 287.3 2022  
6.    Korey Mathison 286.3 286.3 2020  
7.    Brian Anderson 285.3 285.3 2019  
8.    Brian Anderson 282.7 282.7 2013  
9.    Javier Vazquez 280.7 280.7 2009  
10.    Mark Prior * 279.3 279.3 2009  
11.    Freddie Cooley 278.3 278.3 2014  
12.    Roy Halladay 275.0 275.0 2009  
13.    David Martinez 274.7 274.7 2022  
14.    Brian Anderson 273.7 273.7 2016  
15.    Javier Vazquez 271.3 271.3 2007  
16.    Korey Mathison 270.3 270.3 2016  
  Jason Schmidt 270.3 270.3 2006  
18.    John Moore 270.0 270.0 2022  
  Tomo Ohka 270.0 270.0 2009  
20.    Brian Anderson 269.7 269.7 2015  
  Roger Heitman 269.7 269.7 2010  
22.    Willie Leon 268.7 268.7 2022  
  Roy Halladay 268.7 268.7 2010  
  Roy Oswalt 268.7 268.7 2004  
25.    Mark Mulder 268.3 268.3 2015  
26.    Mark Prior * 268.0 268.0 2007  
27.    Freddie Cooley 267.7 267.7 2017  
28.    Pedro Barranco 267.0 267.0 2016  
29.    Roy Halladay 266.3 266.3 2006  
30.    Roger Heitman 266.3 266.3 2012  
  Mark Mulder 266.3 266.3 2010  
32.    Jose Silas 266.0 266.0 2014  
33.    David Martinez 265.3 265.3 2021  
34.    David Martinez 265.0 265.0 2019  
35.    Roy Halladay 264.7 264.7 2011  
36.    Mark Prior * 264.0 264.0 2006  
37.    Brian Anderson 263.7 263.7 2020  
  Felipe Granados 263.7 263.7 2019  
39.    Brian Anderson 263.3 263.3 2014  
  Freddie Cooley 263.3 263.3 2013  
41.    Roger Heitman 263.0 263.0 2011  
  Mark Redman 263.0 263.0 2005  
43.    Dontrelle Willis 262.7 262.7 2010  
44.    Korey Mathison 261.7 261.7 2019  
45.    David Martinez 261.3 261.3 2020  
  Jason Schmidt 261.3 261.3 2005  
47.    Larry Strope 261.0 261.0 2009  
48.    Mark Prior * 260.7 260.7 2005  
49.    Mark Prior * 260.3 260.3 2010  
50.    Miguel Manrique 259.3 259.3 2021  
51.    Mark Buehrle 259.0 259.0 2005  
52.    Pedro Barranco 258.7 258.7 2009  
53.    Ben Sheets 258.3 258.3 2007  
54.    Mark Mulder 258.0 258.0 2006  
55.    Lewis Washburn 257.7 257.7 2019  
  J.D. Martin 257.7 257.7 2009  
57.    Henry Mosqueda 257.3 257.3 2018  
  Condel Ortiz 257.3 257.3 2017  
  Freddie Cooley 257.3 257.3 2016  
60.    Nicholas Lehr 256.7 256.7 2019  
61.    Bartolo Colon 256.0 256.0 2005  
62.    Silvio Santacruz 255.0 255.0 2019  
  Tom Gorzelanny 255.0 255.0 2014  
  Hong-Chih Kuo 255.0 255.0 2010  
65.    Miguel Manrique 254.3 254.3 2022  
  Pedro Barranco 254.3 254.3 2011  
67.    Carlos Zambrano 254.0 254.0 2009  
  Randy Johnson 254.0 254.0 2004  
69.    Dennis Baley 253.7 253.7 2022  
70.    David Martinez 253.3 253.3 2018  
  Silvio Santacruz 253.3 253.3 2017  
  Jason Schmidt 253.3 253.3 2004  
73.    Dontrelle Willis 253.0 253.0 2011  
74.    Jeff Weaver 252.7 252.7 2008  
75.    Amadis Rodriguez 252.3 252.3 2019  
  Condel Ortiz 252.3 252.3 2014  
  Mark Prior * 252.3 252.3 2013  
  Curt Schilling 252.3 252.3 2004  
79.    Brian Anderson 252.0 252.0 2021  
  John Moore 252.0 252.0 2020  
81.    Nicholas Lehr 251.3 251.3 2018  
82.    Roger Heitman 251.0 251.0 2009  
83.    Willie Leon 250.7 250.7 2020  
  John Moore 250.7 250.7 2019  
  Brian Anderson 250.7 250.7 2017  
86.    Henry Mosqueda 250.3 250.3 2019  
  Augustine Stearn 250.3 250.3 2017  
  Josh Beckett 250.3 250.3 2012  
  Roy Halladay 250.3 250.3 2004  
90.    Jose Silas 250.0 250.0 2017  
  Odalis Perez 250.0 250.0 2007  
92.    Tim Hudson 249.3 249.3 2012  
  Glen Rakestraw 249.3 249.3 2009  
  Mark Redman 249.3 249.3 2007  
95.    Justin Phillips 249.0 249.0 2015  
  Roger Heitman 249.0 249.0 2013  
  Javier Vazquez 249.0 249.0 2008  
98.    Rick Hummel 248.7 248.7 2009  
99.    Augustine Stearn 248.3 248.3 2021  
  Kevin Millwood 248.3 248.3 2005