Single-Season OSLG
Leaderboard
 
* - Indicates Hall of Fame
Rank    Player OSLG IP Year Career Leaderboard
1.    Richard Menzies .2389 227.3 2012  
2.    Mark Prior * .2438 279.3 2009  
3.    Mark Prior * .2475 252.3 2013  
4.    Mark Prior * .2483 244.3 2011  
5.    Mark Prior * .2483 206.3 2014  
6.    Larry Strope .2497 239.3 2015  
7.    Korey Mathison .2505 290.7 2021  
8.    Carlos Silva .2535 197.0 2014  
9.    Mark Prior * .2549 264.0 2006  
10.    Richard Menzies .2557 194.3 2013  
11.    Richard Menzies .2569 210.7 2015  
12.    Roger Heitman .2574 249.0 2013  
13.    Larry Strope .2584 206.0 2014  
14.    Augustine Stearn .2586 242.0 2022  
15.    J.D. Martin .2589 231.0 2018  
16.    Mark Prior * .2590 227.7 2018  
17.    Hosea Buendia .2593 220.0 2018  
18.    Roger Heitman .2609 170.7 2017  
19.    Augustine Stearn .2612 248.3 2021  
20.    Mark Prior * .2613 185.7 2015  
21.    Anthony Lezama .2654 236.3 2019  
22.    Mark Prior * .2667 238.7 2008  
23.    Carlos Zambrano .2669 233.7 2011  
24.    Felipe Granados .2690 263.7 2019  
25.    Zachery Hickman .2695 245.0 2022  
26.    Josh Beckett .2700 222.7 2008  
27.    Amadeo Samaniego .2703 188.3 2016  
28.    Lewis Washburn .2703 257.7 2019  
29.    Roy Halladay .2707 243.3 2007  
30.    Joseph Delagarza .2709 224.7 2021  
31.    Bobby Jenks .2710 215.0 2015  
32.    Dennis Baley .2716 253.7 2022  
33.    Douglas Mondy .2716 198.7 2020  
34.    Roger Heitman .2717 210.7 2015  
35.    Roy Halladay .2722 275.0 2009  
36.    Mark Prior * .2728 260.7 2005  
37.    Augustine Stearn .2734 236.7 2018  
38.    Bennie Hamblin .2737 234.3 2018  
39.    Rick Ankiel .2742 171.7 2014  
40.    Larry Strope .2746 261.0 2009  
41.    Roger Heitman .2751 245.3 2016  
42.    Larry Strope .2764 224.0 2007  
43.    Dennis Baley .2766 240.7 2021  
44.    Mark Prior * .2772 268.0 2007  
45.    Rick Ankiel .2776 205.7 2013  
46.    Lewis Washburn .2779 239.0 2021  
47.    Roy Halladay .2782 240.7 2008  
48.    Josh Beckett .2789 189.7 2007  
49.    Roy Halladay .2798 266.3 2006  
50.    Larry Strope .2800 240.0 2010  
51.    Korey Mathison .2800 261.7 2019  
52.    Bennie Hamblin .2810 224.7 2019  
53.    Mark Prior * .2814 224.3 2017  
54.    Jerome Williams .2833 243.3 2007  
55.    Ronnie Holter .2834 171.3 2021  
56.    Kevin Rockey .2845 219.0 2018  
57.    Josh Beckett .2846 221.0 2006  
58.    Darren Nigro .2850 239.7 2012  
59.    Roy Halladay .2853 268.7 2010  
60.    Joe Morgan Jr. .2859 212.7 2012  
61.    Pedro Martinez .2861 213.0 2005  
62.    Roger Heitman .2863 197.3 2014  
63.    Willie Leon .2869 268.7 2022  
64.    Bennie Hamblin .2880 240.7 2020  
65.    Amadis Rodriguez .2890 227.0 2021  
66.    Augustine Stearn .2891 243.7 2020  
67.    Hosea Buendia .2892 208.0 2022  
68.    Amadeo Samaniego .2893 189.7 2011  
69.    Korey Mathison .2899 286.3 2020  
70.    Amadis Rodriguez .2899 252.3 2019  
71.    Larry Strope .2901 237.3 2008  
72.    Nick Bourgeois .2902 186.0 2008  
73.    Condel Ortiz .2904 242.3 2015  
74.    Matt Capps .2906 244.3 2013  
75.    Jerome Williams .2907 184.3 2005  
76.    Roger Heitman .2914 266.3 2012  
77.    John Atkins .2915 164.0 2020  
78.    Henry Mosqueda .2916 225.7 2021  
79.    Felipe Granados .2917 241.3 2020  
80.    Byung-Hyun Kim .2919 205.3 2006  
81.    Felipe Granados .2919 227.7 2022  
82.    Joseph Delagarza .2921 169.0 2019  
83.    Brian Anderson .2921 263.7 2020  
84.    Steven Hildebrant .2925 225.3 2021  
85.    Korey Mathison .2926 287.3 2022  
86.    Larry Strope .2926 230.0 2016  
87.    Bennie Hamblin .2928 174.0 2021  
88.    Kevin Rockey .2940 193.3 2020  
89.    Dennis Baley .2940 216.7 2019  
90.    Douglas Mondy .2940 198.7 2015  
91.    Joe Morgan Jr. .2942 227.7 2018  
92.    Lewis Washburn .2942 196.7 2016  
93.    Tony Armas .2943 167.0 2011  
94.    Mark Buehrle .2952 259.0 2005  
95.    Silvio Santacruz .2956 255.0 2019  
96.    Kevin Rockey .2956 216.3 2019  
97.    Julian Abeyta .2963 201.7 2016  
98.    Pedro Galindo .2963 189.0 2011  
99.    Nicholas Lehr .2964 230.3 2011  
100.    Silvio Santacruz .2964 241.0 2021