|
| Career Leaders | MLB Leaders | AL Leaders | NL Leaders | Team Leaders |
| Rank | Player | Team | ERA | W | L | S | SvO | G | GS | CG | SO | IP | H | R | ER | HR | BB | K | QS | Ratio | BAVG |
| 1 | Jered Weaver | LAA | 2.40 | 7 | 1 | 0 | 0 | 12 | 12 | 2 | 1 | 75 | 51 | 23 | 20 | 5 | 17 | 60 | 9 | 0.91 | .189 |
| 2 | Jake Peavy | CWS | 2.74 | 6 | 3 | 0 | 0 | 14 | 14 | 3 | 1 | 98.2 | 70 | 32 | 30 | 8 | 23 | 83 | 12 | 0.94 | .198 |
| 3 | Chris Sale | CWS | 2.24 | 8 | 2 | 0 | 1 | 14 | 13 | 1 | 0 | 88.1 | 62 | 23 | 22 | 4 | 23 | 89 | 9 | 0.96 | .194 |
| 4 | Justin Verlander | DET | 2.57 | 7 | 4 | 0 | 0 | 15 | 15 | 3 | 1 | 108.2 | 81 | 37 | 31 | 6 | 27 | 106 | 12 | 0.99 | .204 |
| 5 | Colby Lewis | TEX | 3.00 | 6 | 5 | 0 | 0 | 14 | 14 | 2 | 0 | 96 | 84 | 39 | 32 | 15 | 12 | 84 | 10 | 1.00 | .231 |
| Brandon Morrow | TOR | 3.01 | 7 | 4 | 0 | 0 | 13 | 13 | 3 | 3 | 77.2 | 54 | 28 | 26 | 7 | 24 | 67 | 8 | 1.00 | .194 | |
| 7 | Jason Hammel | BAL | 2.61 | 8 | 2 | 0 | 0 | 14 | 14 | 1 | 1 | 89.2 | 71 | 29 | 26 | 7 | 29 | 87 | 8 | 1.12 | .215 |
| 8 | Josh Beckett | BOS | 4.14 | 4 | 7 | 0 | 0 | 12 | 12 | 0 | 0 | 78.1 | 73 | 36 | 36 | 9 | 17 | 56 | 8 | 1.15 | .247 |
| C.J. Wilson | LAA | 2.44 | 8 | 4 | 0 | 0 | 15 | 15 | 0 | 0 | 92.1 | 67 | 31 | 25 | 4 | 39 | 79 | 12 | 1.15 | .203 | |
| 10 | Brandon McCarthy | OAK | 2.54 | 6 | 3 | 0 | 0 | 12 | 12 | 0 | 0 | 78 | 75 | 25 | 22 | 5 | 19 | 52 | 9 | 1.21 | .252 |
| Tommy Milone | OAK | 4.13 | 7 | 5 | 0 | 0 | 14 | 14 | 1 | 0 | 89.1 | 84 | 43 | 41 | 13 | 24 | 52 | 7 | 1.21 | .247 | |
| 12 | Jason Vargas | SEA | 4.66 | 7 | 7 | 0 | 0 | 16 | 16 | 0 | 0 | 102.1 | 98 | 53 | 53 | 20 | 27 | 64 | 8 | 1.22 | .254 |
| 13 | CC Sabathia | NYY | 3.55 | 9 | 3 | 0 | 0 | 14 | 14 | 1 | 0 | 101.1 | 98 | 45 | 40 | 10 | 27 | 102 | 9 | 1.23 | .250 |
| 14 | Matt Harrison | TEX | 3.41 | 9 | 3 | 0 | 0 | 14 | 14 | 1 | 1 | 92.1 | 93 | 36 | 35 | 7 | 22 | 55 | 10 | 1.25 | .261 |
| 15 | David Price | TB | 3.08 | 9 | 4 | 0 | 0 | 14 | 14 | 1 | 1 | 90.2 | 84 | 33 | 31 | 7 | 31 | 82 | 9 | 1.27 | .248 |
| 16 | Hector Noesi | SEA | 5.69 | 2 | 8 | 0 | 0 | 14 | 14 | 0 | 0 | 80.2 | 73 | 52 | 51 | 15 | 30 | 50 | 6 | 1.28 | .246 |
| 17 | Bruce Chen | KC | 4.81 | 6 | 6 | 0 | 0 | 15 | 15 | 0 | 0 | 82.1 | 88 | 45 | 44 | 9 | 18 | 59 | 7 | 1.29 | .272 |
| Wei-Yin Chen | BAL | 3.36 | 7 | 2 | 0 | 0 | 13 | 13 | 0 | 0 | 80.1 | 79 | 34 | 30 | 8 | 25 | 57 | 7 | 1.29 | .256 | |
| Felix Hernandez | SEA | 3.52 | 4 | 5 | 0 | 0 | 14 | 14 | 0 | 0 | 94.2 | 92 | 39 | 37 | 9 | 30 | 91 | 8 | 1.29 | .256 | |
| Hiroki Kuroda | NYY | 3.57 | 6 | 7 | 0 | 0 | 14 | 14 | 0 | 0 | 88.1 | 86 | 38 | 35 | 12 | 28 | 62 | 8 | 1.29 | .257 | |
| 21 | Bartolo Colon | OAK | 4.22 | 6 | 7 | 0 | 0 | 15 | 15 | 0 | 0 | 89.2 | 101 | 43 | 42 | 12 | 16 | 55 | 7 | 1.30 | .283 |
| Gavin Floyd | CWS | 5.20 | 5 | 7 | 0 | 0 | 14 | 14 | 0 | 0 | 83 | 84 | 49 | 48 | 15 | 24 | 76 | 6 | 1.30 | .262 | |
| Justin Masterson | CLE | 3.98 | 4 | 6 | 0 | 0 | 15 | 15 | 1 | 0 | 97.1 | 87 | 47 | 43 | 7 | 40 | 77 | 10 | 1.30 | .242 | |
| 24 | Jeremy Hellickson | TB | 3.45 | 4 | 3 | 0 | 0 | 13 | 13 | 0 | 0 | 78.1 | 75 | 36 | 30 | 14 | 30 | 52 | 8 | 1.34 | .251 |
| Phil Hughes | NYY | 4.94 | 7 | 6 | 0 | 0 | 14 | 14 | 1 | 0 | 78.1 | 85 | 47 | 43 | 19 | 20 | 77 | 6 | 1.34 | .269 | |
| Ricky Romero | TOR | 4.34 | 8 | 1 | 0 | 0 | 15 | 15 | 0 | 0 | 95.1 | 82 | 50 | 46 | 13 | 46 | 69 | 7 | 1.34 | .232 | |
| Ervin Santana | LAA | 5.16 | 4 | 7 | 0 | 0 | 14 | 14 | 1 | 1 | 89 | 83 | 52 | 51 | 18 | 36 | 61 | 6 | 1.34 | .243 | |
| 28 | Jake Arrieta | BAL | 5.83 | 3 | 9 | 0 | 0 | 15 | 15 | 0 | 0 | 88 | 94 | 60 | 57 | 12 | 25 | 79 | 5 | 1.35 | .271 |
| Felix Doubront | BOS | 4.31 | 8 | 3 | 0 | 0 | 14 | 14 | 0 | 0 | 79.1 | 79 | 42 | 38 | 11 | 28 | 85 | 8 | 1.35 | .254 | |
| James Shields | TB | 3.72 | 7 | 4 | 0 | 0 | 14 | 14 | 0 | 0 | 92 | 94 | 50 | 38 | 10 | 30 | 86 | 8 | 1.35 | .258 | |
| 31 | Henderson Alvarez | TOR | 4.30 | 3 | 6 | 0 | 0 | 14 | 14 | 1 | 1 | 90 | 103 | 47 | 43 | 16 | 20 | 27 | 8 | 1.37 | .289 |
| Dan Haren | LAA | 4.24 | 5 | 7 | 0 | 0 | 15 | 15 | 1 | 1 | 93.1 | 106 | 46 | 44 | 13 | 22 | 82 | 7 | 1.37 | .289 | |
| Tommy Hunter | BAL | 5.70 | 3 | 4 | 0 | 0 | 13 | 13 | 0 | 0 | 77.1 | 91 | 53 | 49 | 18 | 15 | 41 | 5 | 1.37 | .296 | |
| Jon Lester | BOS | 4.48 | 4 | 5 | 0 | 0 | 15 | 15 | 2 | 0 | 94.1 | 102 | 52 | 47 | 8 | 27 | 75 | 9 | 1.37 | .278 | |
| 35 | Matt Moore | TB | 4.13 | 4 | 5 | 0 | 0 | 14 | 14 | 0 | 0 | 80.2 | 71 | 44 | 37 | 11 | 40 | 85 | 6 | 1.38 | .233 |
| Ivan Nova | NYY | 4.32 | 9 | 2 | 0 | 0 | 13 | 13 | 0 | 0 | 85.1 | 95 | 41 | 41 | 14 | 23 | 73 | 7 | 1.38 | .287 | |
| Jerome Williams | LAA | 4.46 | 6 | 5 | 0 | 0 | 13 | 12 | 1 | 1 | 82.2 | 88 | 44 | 41 | 7 | 26 | 56 | 8 | 1.38 | .273 | |
| 38 | Kevin Millwood | SEA | 4.02 | 3 | 6 | 0 | 0 | 14 | 14 | 1 | 1 | 80.2 | 79 | 43 | 36 | 3 | 33 | 59 | 6 | 1.39 | .257 |
| 39 | Yu Darvish | TEX | 3.45 | 9 | 4 | 0 | 0 | 14 | 14 | 0 | 0 | 88.2 | 78 | 38 | 34 | 7 | 49 | 96 | 8 | 1.43 | .234 |
| 40 | Luke Hochevar | KC | 5.65 | 4 | 7 | 0 | 0 | 14 | 14 | 0 | 0 | 78 | 87 | 50 | 49 | 6 | 27 | 60 | 6 | 1.46 | .291 |
| 41 | Max Scherzer | DET | 5.17 | 6 | 4 | 0 | 0 | 14 | 14 | 0 | 0 | 78.1 | 90 | 49 | 45 | 13 | 29 | 100 | 8 | 1.52 | .288 |
| 42 | Clay Buchholz | BOS | 5.53 | 8 | 2 | 0 | 0 | 14 | 14 | 1 | 1 | 86.1 | 99 | 55 | 53 | 15 | 34 | 58 | 5 | 1.54 | .295 |
| 43 | Ubaldo Jimenez | CLE | 4.59 | 7 | 5 | 0 | 0 | 14 | 14 | 0 | 0 | 82.1 | 79 | 45 | 42 | 11 | 49 | 58 | 8 | 1.55 | .249 |
| 44 | Derek Lowe | CLE | 4.30 | 7 | 5 | 0 | 0 | 14 | 14 | 1 | 1 | 83.2 | 105 | 42 | 40 | 5 | 27 | 30 | 10 | 1.58 | .313 |
| Rick Porcello | DET | 4.95 | 4 | 5 | 0 | 0 | 14 | 14 | 0 | 0 | 80 | 106 | 50 | 44 | 8 | 20 | 46 | 7 | 1.58 | .319 | |
| 46 | Kyle Drabek | TOR | 4.67 | 4 | 7 | 0 | 0 | 13 | 13 | 0 | 0 | 71.1 | 67 | 41 | 37 | 10 | 47 | 47 | 6 | 1.60 | .250 |
| 47 | Brian Matusz | BAL | 5.00 | 5 | 8 | 0 | 0 | 14 | 14 | 0 | 0 | 75.2 | 87 | 49 | 42 | 10 | 35 | 59 | 6 | 1.61 | .282 |