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| Single-Season Innings Pitched Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Innings Pitched | IP | Year | Career Leaderboard |
| 1. | Scott Graham | 321.3 | 321.3 | 2011 | |
| 2. | Scott Graham | 304.3 | 304.3 | 2010 | |
| 3. | Zack Duke | 300.0 | 300.0 | 2013 | |
| 4. | Scott Graham | 297.3 | 297.3 | 2012 | |
| 5. | Sabas Santana | 294.0 | 294.0 | 2022 | |
| Mark Mulder | 294.0 | 294.0 | 2013 | ||
| 7. | Yoshihisa Naruse | 293.0 | 293.0 | 2022 | |
| 8. | Jerome Williams | 292.3 | 292.3 | 2012 | |
| 9. | Matt Cain * | 291.3 | 291.3 | 2013 | |
| 10. | Michael Schlact | 291.0 | 291.0 | 2013 | |
| 11. | Cosme Neyra | 290.0 | 290.0 | 2012 | |
| 12. | Yoshihisa Naruse | 288.7 | 288.7 | 2026 | |
| 13. | Curt Schilling | 287.3 | 287.3 | 2004 | |
| 14. | Mark Prior * | 287.0 | 287.0 | 2012 | |
| 15. | Roy Halladay * | 283.7 | 283.7 | 2010 | |
| 16. | Roy Halladay * | 283.3 | 283.3 | 2011 | |
| 17. | Luke Hochevar | 282.7 | 282.7 | 2022 | |
| 18. | Yoshihisa Naruse | 282.3 | 282.3 | 2023 | |
| Cosme Neyra | 282.3 | 282.3 | 2011 | ||
| 20. | Yoshihisa Naruse | 281.3 | 281.3 | 2024 | |
| Johan Santana | 281.3 | 281.3 | 2012 | ||
| 22. | Joel Hanrahan | 281.0 | 281.0 | 2012 | |
| 23. | Yoshihisa Naruse | 280.0 | 280.0 | 2027 | |
| 24. | Brandon League * | 278.7 | 278.7 | 2012 | |
| Brandon League * | 278.7 | 278.7 | 2011 | ||
| 26. | Rick Hummel * | 277.0 | 277.0 | 2014 | |
| 27. | Matt Garza | 276.0 | 276.0 | 2025 | |
| 28. | Matt Chico | 275.3 | 275.3 | 2015 | |
| 29. | Sean Gallagher * | 275.0 | 275.0 | 2012 | |
| 30. | Sean Burnett | 273.0 | 273.0 | 2010 | |
| 31. | Rick Porcello | 272.0 | 272.0 | 2025 | |
| 32. | Jerome Williams | 271.3 | 271.3 | 2013 | |
| 33. | Matt Cain * | 270.0 | 270.0 | 2012 | |
| 34. | Rick Porcello | 269.7 | 269.7 | 2026 | |
| 35. | Greg Kloosterman | 269.3 | 269.3 | 2014 | |
| 36. | Hong-Chih Kuo | 269.0 | 269.0 | 2012 | |
| 37. | Mark Prior * | 267.7 | 267.7 | 2010 | |
| 38. | Brandon League * | 267.3 | 267.3 | 2010 | |
| 39. | Daisuke Matsuzaka | 267.0 | 267.0 | 2007 | |
| 40. | Zack Duke | 266.7 | 266.7 | 2012 | |
| Odalis Perez | 266.7 | 266.7 | 2012 | ||
| Sean Burnett | 266.7 | 266.7 | 2011 | ||
| Horacio Ramirez * | 266.7 | 266.7 | 2011 | ||
| 44. | Yoshihisa Naruse | 266.3 | 266.3 | 2025 | |
| 45. | Johnny Chute | 265.7 | 265.7 | 2023 | |
| 46. | Odalis Perez | 265.3 | 265.3 | 2013 | |
| Jason Schmidt | 265.3 | 265.3 | 2004 | ||
| 48. | Rick Porcello | 265.0 | 265.0 | 2024 | |
| 49. | Luke Hochevar | 264.7 | 264.7 | 2020 | |
| J.D. Durbin | 264.7 | 264.7 | 2012 | ||
| 51. | Dennis Tankersley | 264.3 | 264.3 | 2013 | |
| 52. | Matt Garza | 263.7 | 263.7 | 2027 | |
| 53. | Horacio Ramirez * | 263.0 | 263.0 | 2013 | |
| 54. | Matt Chico | 262.7 | 262.7 | 2013 | |
| 55. | Brad Lincoln | 262.3 | 262.3 | 2018 | |
| Rick Hummel * | 262.3 | 262.3 | 2010 | ||
| 57. | Matt Garza | 262.0 | 262.0 | 2021 | |
| Mark Buehrle | 262.0 | 262.0 | 2010 | ||
| Roy Halladay * | 262.0 | 262.0 | 2004 | ||
| 60. | Jesse Foppert | 261.7 | 261.7 | 2013 | |
| 61. | Brad Lincoln | 261.3 | 261.3 | 2021 | |
| Matt Garza | 261.3 | 261.3 | 2018 | ||
| 63. | Mark Prior * | 261.0 | 261.0 | 2014 | |
| 64. | Travis Foley | 260.3 | 260.3 | 2012 | |
| 65. | Horacio Ramirez * | 259.3 | 259.3 | 2010 | |
| 66. | Brad Lincoln | 259.0 | 259.0 | 2025 | |
| Keith Gayden | 259.0 | 259.0 | 2022 | ||
| Jacob McGee | 259.0 | 259.0 | 2018 | ||
| Daisuke Matsuzaka | 259.0 | 259.0 | 2014 | ||
| Greg Kloosterman | 259.0 | 259.0 | 2010 | ||
| 71. | Roy Halladay * | 258.7 | 258.7 | 2013 | |
| 72. | Jay Rainville | 258.3 | 258.3 | 2020 | |
| Jay Rainville | 258.3 | 258.3 | 2013 | ||
| Benicio Leanos | 258.3 | 258.3 | 2012 | ||
| Mark Buehrle | 258.3 | 258.3 | 2005 | ||
| 76. | Brian Coon * | 258.0 | 258.0 | 2013 | |
| 77. | Kevin Corson | 257.7 | 257.7 | 2017 | |
| Johnny Chute | 257.7 | 257.7 | 2021 | ||
| 79. | Johnny Chute | 257.0 | 257.0 | 2022 | |
| 80. | Jacob McGee | 256.7 | 256.7 | 2026 | |
| Marcos Pedigo | 256.7 | 256.7 | 2020 | ||
| 82. | Josh Beckett | 256.3 | 256.3 | 2010 | |
| Daisuke Matsuzaka | 256.3 | 256.3 | 2010 | ||
| 84. | Mark Prior * | 256.0 | 256.0 | 2006 | |
| 85. | Sam Norris | 255.7 | 255.7 | 2019 | |
| Sean Gallagher * | 255.7 | 255.7 | 2016 | ||
| 87. | Brian Coon * | 255.7 | 255.7 | 2016 | |
| 88. | Brian Coon * | 255.3 | 255.3 | 2019 | |
| Matt Chico | 255.3 | 255.3 | 2012 | ||
| 90. | Mark Mulder | 255.0 | 255.0 | 2014 | |
| Matt Chico | 255.0 | 255.0 | 2010 | ||
| 92. | Rick Porcello | 254.7 | 254.7 | 2023 | |
| Rick Porcello | 254.7 | 254.7 | 2022 | ||
| Matt Chico | 254.7 | 254.7 | 2014 | ||
| Roy Halladay * | 254.7 | 254.7 | 2006 | ||
| Jeff Weaver | 254.7 | 254.7 | 2005 | ||
| Luke Hochevar | 254.7 | 254.7 | 2021 | ||
| 98. | William Graham | 254.3 | 254.3 | 2025 | |
| Daisuke Matsuzaka | 254.3 | 254.3 | 2009 | ||
| Roy Oswalt | 254.3 | 254.3 | 2007 | ||
| 101. | Roger Andersen | 254.3 | 254.3 | 2027 | |
| 102. | Jacob McGee | 254.0 | 254.0 | 2025 | |
| Nick Adenhart | 254.0 | 254.0 | 2020 | ||
| 104. | Sabas Santana | 253.7 | 253.7 | 2023 | |
| Troy Patton | 253.7 | 253.7 | 2019 | ||
| Brandon League * | 253.7 | 253.7 | 2016 | ||
| Brian Coon * | 253.7 | 253.7 | 2012 | ||
| Tim Hudson | 253.7 | 253.7 | 2007 | ||
| Javier Cuesta | 253.7 | 253.7 | 2019 | ||
| 110. | Matt Cain * | 253.3 | 253.3 | 2011 | |
| Jason Schmidt | 253.3 | 253.3 | 2006 | ||
| 112. | Seve Padilla | 253.0 | 253.0 | 2024 | |
| Joseph Bauserman | 253.0 | 253.0 | 2012 | ||
| 114. | Jacob McGee | 252.7 | 252.7 | 2023 | |
| Nick Pereira | 252.7 | 252.7 | 2020 | ||
| Matt Cain * | 252.7 | 252.7 | 2018 | ||
| Marcos Pedigo | 252.7 | 252.7 | 2016 | ||
| Justin Verlander | 252.7 | 252.7 | 2013 | ||
| Jay Rainville | 252.7 | 252.7 | 2016 | ||
| 120. | Greg Kloosterman | 252.3 | 252.3 | 2011 | |
| Scott Graham | 252.3 | 252.3 | 2014 | ||
| 122. | Marcos Pedigo | 252.0 | 252.0 | 2017 | |
| Matt Cain * | 252.0 | 252.0 | 2014 | ||
| Sean Gallagher * | 252.0 | 252.0 | 2010 | ||
| Mark Buehrle | 252.0 | 252.0 | 2006 | ||
| 126. | Brad Lincoln | 251.7 | 251.7 | 2020 | |
| Jonathan Sanchez | 251.7 | 251.7 | 2024 | ||
| 128. | Edinson Volquez | 251.3 | 251.3 | 2027 | |
| Brad Lincoln | 251.3 | 251.3 | 2024 | ||
| Rick Porcello | 251.3 | 251.3 | 2021 | ||
| Matt Cain * | 251.3 | 251.3 | 2010 | ||
| 132. | Kevin Correia | 251.3 | 251.3 | 2012 | |
| 133. | Nick Adenhart | 251.0 | 251.0 | 2023 | |
| Nick Pereira | 251.0 | 251.0 | 2017 | ||
| Horacio Ramirez * | 251.0 | 251.0 | 2012 | ||
| Jerome Williams | 251.0 | 251.0 | 2011 | ||
| Pedro Martinez * | 251.0 | 251.0 | 2004 | ||
| 138. | Jacob McGee | 250.7 | 250.7 | 2019 | |
| Brandon League * | 250.7 | 250.7 | 2013 | ||
| 140. | Sabas Santana | 250.3 | 250.3 | 2024 | |
| Nick Pereira | 250.3 | 250.3 | 2021 | ||
| Mike Pelfrey | 250.3 | 250.3 | 2017 | ||
| 143. | Jerry Blevins | 250.0 | 250.0 | 2027 | |
| Jerry Blevins | 250.0 | 250.0 | 2025 | ||
| Kevin Millwood | 250.0 | 250.0 | 2006 | ||
| Randy Johnson * | 250.0 | 250.0 | 2004 | ||
| 147. | Alberto Arguelles | 249.7 | 249.7 | 2018 | |
| Nick Adenhart | 249.7 | 249.7 | 2018 | ||
| Brian Coon * | 249.7 | 249.7 | 2015 | ||
| Greg Kloosterman | 249.7 | 249.7 | 2013 |
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