| AL EARNED RUN AVERAGE Year To Date | |||||||
| Rk | Player | Team | P | GP | GS | ER | ERA |
| 1 | Aaron Laffey | KC | RP | 0 | 0 | 0 | 0 |
| 2 | Darren O'Day | BAL | RP | 0 | 0 | 0 | 0 |
| 3 | Trever Miller | BOS | RP | 0 | 0 | 0 | 0 |
| 4 | Jordan Norberto | OAK | RP | 0 | 0 | 0 | 0 |
| 5 | Leyson Septimo | CHW | RP | 0 | 0 | 0 | 0 |
| 6 | Brian Tallet | TOR | RP | 0 | 0 | 0 | 0 |
| 7 | Esmerling Vasquez | MIN | RP | 0 | 0 | 0 | 0 |
| 8 | P.J. Walters | TOR | RP | 0 | 0 | 0 | 0 |
| 9 | Matt Moore | TB | RP | 2 | 1 | 1 | 0.90 |
| 10 | A.J. Burnett | NYY | SP | 1 | 1 | 1 | 1.59 |
| 11 | Colby Lewis | TEX | SP | 4 | 4 | 8 | 3.04 |
| 12 | Derek Holland | TEX | SP | 6 | 4 | 9 | 3.38 |
| 13 | David Price | TB | SP | 1 | 1 | 3 | 4.05 |
| 14 | Ivan Nova | NYY | SP | 2 | 1 | 4 | 4.32 |
| 15 | Doug Fister | DET | SP | 3 | 2 | 9 | 4.76 |
| 16 | Rick Porcello | DET | SP | 4 | 2 | 8 | 4.80 |
| 17 | Freddy Garcia | NYY | SP | 1 | 1 | 3 | 5.06 |
| 18 | Justin Verlander | DET | SP | 4 | 4 | 12 | 5.31 |
| 19 | Matt Harrison | TEX | SP | 5 | 4 | 11 | 5.40 |
| 20 | Max Scherzer | DET | SP | 4 | 3 | 10 | 5.74 |
| 21 | C.J. Wilson | TEX | SP | 6 | 5 | 18 | 5.79 |
| 22 | CC Sabathia | NYY | SP | 3 | 2 | 6 | 6.23 |
| 23 | Jeremy Hellickson | TB | SP | 1 | 1 | 3 | 6.75 |
| 24 | James Shields | TB | SP | 1 | 1 | 7 | 12.60 |
| Last Updated: Mon Nov 7 07:30:11 EST 2011 | |||||||