Single-Season Winning Pct
Leaderboard
 
* - Indicates Hall of Fame
Rank    Player Winning Pct IP Year Career Leaderboard
1.    Stan Lugo .8846 274.0 1948  
2.    Stan Lugo .8519 244.3 1949  
  Stan Lugo .8519 257.0 1947  
4.    Roger Kirwan .8421 173.7 1948  
5.    Eric Brown .8261 247.7 1948  
  James Nickerson .8261 206.0 1948  
7.    Terry Lobdell .8182 220.7 1950  
8.    Jose Rao .8000 192.7 1950  
9.    Robert Lerman .7931 264.0 1950  
10.    Joshua Cook .7917 271.3 1950  
11.    Earle Olivier .7727 236.7 1950  
12.    Donald Walker .7692 245.0 1948  
13.    Richard Cunningham .7647 162.3 1949  
14.    Jon Eaton .7619 202.3 1949  
15.    Lucien Pillar .7500 286.0 1950  
  Marvin Shope .7500 254.0 1950  
  Donald Walker .7500 248.0 1950  
  Stephen McMaster .7500 281.7 1948  
  Lucien Pillar .7500 268.0 1948  
20.    Domingo Contreras .7419 281.0 1949  
21.    James Riordan .7200 239.7 1948  
22.    Gary Smith .7143 253.7 1949  
  Gerald Sarno .7143 246.7 1949  
  Paul Bravo .7143 200.7 1948  
  Edward Pires .7143 200.7 1948  
26.    Harold Timmerman .7059 107.7 1949  
27.    Paul Bravo .7037 249.0 1947  
  James Hanselman .7037 243.3 1947  
29.    Michael Edwards .7000 187.3 1950  
30.    James Wells .6923 217.7 1949  
  Gerald Sarno .6923 267.0 1947  
32.    Robert Lerman .6897 268.7 1948  
33.    James Hanselman .6786 268.7 1950  
  Dwight Roesch .6786 257.7 1949  
35.    Roger Kirwan .6774 259.3 1947  
36.    Edward Plaisance .6667 186.7 1950  
  Stephen McMaster .6667 271.0 1949  
  Alfonso Rios .6667 167.0 1949  
  James Hanselman .6667 262.7 1948  
  Earle Olivier .6667 262.3 1948  
  Jon Eaton .6667 215.7 1947  
42.    Earle Olivier .6552 248.0 1947  
43.    William Natale .6522 208.3 1950  
44.    Roderick Mooney .6500 198.7 1947  
45.    Rodney Dashner .6471 221.0 1950  
46.    Jarvis Inabinet .6429 253.0 1950  
  Robert Lerman .6429 279.7 1949  
  Joseph Hale .6429 265.3 1949  
  Daniel Adams .6429 262.7 1948  
  Joshua Cook .6429 258.0 1948  
  Marvin Shope .6429 246.7 1948  
  Joseph Dierks .6429 226.0 1948  
53.    Domingo Contreras .6400 221.3 1950  
  James Riordan .6400 228.7 1949  
  Donald Walker .6400 248.0 1947  
  William Noriega .6400 203.7 1947  
57.    Joseph Hale .6333 294.7 1950  
  Dwight Roesch .6333 267.3 1948  
  Jacob Borne .6333 247.0 1947  
60.    Pelayo Torres .6316 194.3 1950  
61.    Ian Corpus .6296 220.7 1949  
62.    Scott Hornsby .6250 247.7 1950  
  Virgil Rice .6250 205.7 1950  
  William Cuadrado .6250 211.3 1949  
  Mark Carrasquillo .6250 232.0 1948  
  Philip Farrell .6250 58.7 1948  
67.    Carlos Pacheco .6154 272.0 1950  
  Roger Kirwan .6154 253.0 1950  
  James Riordan .6154 226.3 1950  
70.    Domingo Contreras .6129 288.3 1947  
  Craig Riemer .6129 277.3 1947  
  Abel Ceja .6129 255.0 1947  
  Dwight Roesch .6129 247.7 1947  
74.    Leonard Orcutt .6087 200.0 1950  
  Richard Degen .6087 218.3 1949  
  Robert Carreiro .6087 214.0 1948  
  Harold Timmerman .6087 200.7 1948  
78.    Edward Pires .6071 243.7 1949  
79.    John Clontz .6000 173.0 1949  
  Trenton Sheats .6000 240.7 1948  
  Chet Seiler .6000 224.7 1947  
  Alvin Guerrero .6000 202.3 1947  
83.    Norman Fitzwater .5926 223.7 1949  
  Eric Brown .5926 224.0 1947  
85.    Jose Acosta .5909 205.3 1950  
86.    James Ingles .5882 176.0 1950  
87.    Corey Hill .5862 272.0 1950  
  Miichirou Kotaro .5862 249.7 1950  
89.    Gerald Sarno .5806 275.7 1950  
90.    Patrick Red .5789 185.7 1947  
91.    Earle Olivier .5769 235.7 1949  
  John Clontz .5769 201.0 1947  
93.    Abdiel Medina .5714 224.3 1950  
  Chet Seiler .5714 203.0 1950  
  James Hanselman .5714 263.3 1949  
  Edwin Dummer .5714 223.0 1948  
  Matthew Sweeney .5714 214.0 1948  
98.    Joseph Eley .5667 237.7 1950  
  Roger Kirwan .5667 257.7 1949  
  Richard Cunningham .5667 229.7 1948