Roger Clemens:
Career ERA: 3.17
Record: 329 W 164 L
Strikeouts: 4335
Strikeouts (per season): 238.7
Cy Young Awards: 7
Playoff Record & ERA: 10-7, 3.54
Pedro Martinez:
Career ERA: 2.71
Record: 183 W 76 L
Strikeouts: 2674
Strikeouts (per season): 254
Cy Young Awards: 3
Playoff Record & ERA: 6-2, 3.40
Randy Johnson:
Career ERA: 3.07
Record: 246 W 128 L
Strikeouts: 4180
Strikeouts (per season): 292
Cy Young Awards: 5
Playoff Record & ERA: 7-8, 3.08
Walter Johnson:
Career ERA: 2.17
Record: 417-279
Strikeouts: 3509
Strikeouts (per season): 162
Playoff Record & ERA: 3-3, 2.16
Cy Young:
Career ERA: 2.63
Record: 511-316
Strikeouts: 2803
Strikeouts (per season): 110
Playoff Record & ERA: not reliably documented
Sandy Koufax
Career ERA: 2.76
Record: 165 W 87 L
Strikeouts: 2396
Strikeouts (per season): 229
Cy Young Awards: 3
Playoff Record & ERA: 4-3, 0.95
Pete Alexander
Career ERA: 2.56
Record: 343 W 208 L
Strikeouts: 2198
Strikeouts (per season): 115
Playoff Record & ERA: 3-2, 3.56
Christy Mathewson
Career ERA: 2.13
Record: 373 W 188 L
Strikeouts: 2502
Strikeouts (per season): 143
Playoff Record & ERA: 5-5, 0.97
Greg Maddox
Career ERA: 2.95
Record: 305 W 174 L
Strikeouts: 2916
Strikeouts (per season): 163
Cy Young Awards: 4
Playoff Record & ERA: 11-14, 3.22
Warren Spahn
Career ERA: 3.09
Record: 363 W 245 L
Strikeouts: 2583
Strikeouts (per season): 124
Cy Young Awards: 1
Playoff Record & ERA: 4-3, 3.05
Honorable Mentions: Nolan Ryan, Satchell Paige, Bob Feller, Tom Seaver, Bob Gibson, Lefty Grove, Curt Schilling, Miner Brown, Steve Carlton, Tommy John, Rube Foster, Tom Glavine, Whitey Ford, Mariano Rivera etc.
I gotta go with Big Train (Walter) on this one, considering he was on a horrible team, and 27 of his losses were 1-0, and the fact that he scared the shit out of everyone with his fastball puts him on the top of the food chain, and his adjusted ERA helps even more.
Career ERA: 3.17
Record: 329 W 164 L
Strikeouts: 4335
Strikeouts (per season): 238.7
Cy Young Awards: 7
Playoff Record & ERA: 10-7, 3.54
Pedro Martinez:
Career ERA: 2.71
Record: 183 W 76 L
Strikeouts: 2674
Strikeouts (per season): 254
Cy Young Awards: 3
Playoff Record & ERA: 6-2, 3.40
Randy Johnson:
Career ERA: 3.07
Record: 246 W 128 L
Strikeouts: 4180
Strikeouts (per season): 292
Cy Young Awards: 5
Playoff Record & ERA: 7-8, 3.08
Walter Johnson:
Career ERA: 2.17
Record: 417-279
Strikeouts: 3509
Strikeouts (per season): 162
Playoff Record & ERA: 3-3, 2.16
Cy Young:
Career ERA: 2.63
Record: 511-316
Strikeouts: 2803
Strikeouts (per season): 110
Playoff Record & ERA: not reliably documented
Sandy Koufax
Career ERA: 2.76
Record: 165 W 87 L
Strikeouts: 2396
Strikeouts (per season): 229
Cy Young Awards: 3
Playoff Record & ERA: 4-3, 0.95
Pete Alexander
Career ERA: 2.56
Record: 343 W 208 L
Strikeouts: 2198
Strikeouts (per season): 115
Playoff Record & ERA: 3-2, 3.56
Christy Mathewson
Career ERA: 2.13
Record: 373 W 188 L
Strikeouts: 2502
Strikeouts (per season): 143
Playoff Record & ERA: 5-5, 0.97
Greg Maddox
Career ERA: 2.95
Record: 305 W 174 L
Strikeouts: 2916
Strikeouts (per season): 163
Cy Young Awards: 4
Playoff Record & ERA: 11-14, 3.22
Warren Spahn
Career ERA: 3.09
Record: 363 W 245 L
Strikeouts: 2583
Strikeouts (per season): 124
Cy Young Awards: 1
Playoff Record & ERA: 4-3, 3.05
Honorable Mentions: Nolan Ryan, Satchell Paige, Bob Feller, Tom Seaver, Bob Gibson, Lefty Grove, Curt Schilling, Miner Brown, Steve Carlton, Tommy John, Rube Foster, Tom Glavine, Whitey Ford, Mariano Rivera etc.
I gotta go with Big Train (Walter) on this one, considering he was on a horrible team, and 27 of his losses were 1-0, and the fact that he scared the shit out of everyone with his fastball puts him on the top of the food chain, and his adjusted ERA helps even more.