American League
Wins
1. Justin Verlander (Det): 24
2. CC Sabathia (NYY): 19
3. Jered Weaver (LAA): 18
ERA
1. Justin Verlander (Det): 2.40
2. Jered Weaver (LAA): 2.41
3. James Shields (TB): 2.82
Strikeouts
1. Justin Verlander (Det): 250
2. CC Sabathia (NYY): 230
3. James Shields (TB): 225
WHIP
1. Justin Verlander (Det): 0.92
2. Jered Weaver (LAA): 1.01
3. Dan Haren (LAA): 1.02
Saves
1. Jose Valverde (Det): 49
2. Mariano Rivera (NYY): 44
3. Brandon League (Sea): 37
Relief ERA (min. 50 IP)
1. David Robertson (NYY): 1.08
2. Scott Downs (LAA): 1.34
3. Greg Holland (KC): 1.80
Holds
1. Daniel Bard (Bos): 34
1. David Robertson (NYY): 34
3. Joaquin Benoit (Det): 29
National League
Wins
1. Ian Kennedy (Ari): 21
1. Clayton Kershaw (LAD): 21
3. Roy Halladay (Phi): 19
ERA
1. Clayton Kershaw (LAD): 2.28
2. Roy Halladay (Phi): 2.35
3. Cliff Lee (Phi): 2.40
Strikeouts
1. Clayton Kershaw (LAD): 248
2. Cliff Lee (Phi): 238
3. Roy Halladay (Phi): 220
3. Tim Lincecum (SF): 220
WHIP
1. Clayton Kershaw (LAD): 0.98
2. Cole Hamels (Phi): 0.99
3. Cliff Lee (Phi): 1.03
Saves
1. John Axford (Mil): 46
1. Craig Kimbrel (Atl): 46
3. J.J. Putz (Ari): 45
Relief ERA (min. 50 IP)
1. Eric O’Flaherty (Atl): 0.98
2. Santiago Casilla (SF): 1.74
3. Tyler Clippard (Was): 1.83
Holds
1. Tyler Clippard (Was): 38
2. Jonny Venters (Atl): 35
3. Sean Marshall (ChC): 34