| Starter | Tm | Tier | Game |
|---|---|---|---|
| A.J. Burnett | PIT | -3.46 | 201204210_SLN_PIT |
| Paul Maholm | CHN | -2.49 | 201204210_CIN_CHN |
| Francisco Liriano | MIN | -2 | 201204220_MIN_TBA |
| Brandon Morrow | TOR | -1.97 | 201204230_TOR_KCA |
| Rick Porcello | DET | -1.82 | 201204211_TEX_DET |
Based on accumulated WAA for this season up to 2012-04-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.05 | Kyle Lohse | 27.3 | SLN |
| +004+ | 1.67 | Roy Halladay | 30 | PHI |
| +006+ | 1.58 | Brandon Beachy | 19.3 | ATL |
| +007+ | 1.51 | Stephen Strasburg | 25 | WAS |
| +008+ | 1.49 | Justin Verlander | 31.3 | DET |
| +009+ | 1.44 | Wandy Rodriguez | 25.3 | HOU |
| +010+ | 1.31 | Jake Peavy | 28.7 | CHA |
| XXXXX | 1.25 | Joe Saunders | 21 | ARI |
| XXXXX | 1.24 | Jake Westbrook | 20.7 | SLN |
| XXXXX | 1.17 | Jordan Zimmermann | 21 | WAS |
| XXXXX | 1.16 | Ross Detwiler | 16 | WAS |
| XXXXX | 1.15 | Johnny Cueto | 25.3 | CIN |
| XXXXX | 1.15 | Clayton Kershaw | 22.3 | LAN |
| XXXXX | 1.1 | Matt Cain | 24 | SFN |
| XXXXX | 1.1 | Colby Lewis | 26.7 | TEX |
| XXXXX | 1.09 | Lance Lynn | 19 | SLN |
| XXXXX | 1.08 | Matt Harrison | 21.7 | TEX |
| XXXXX | 1.08 | Philip Humber | 14.3 | CHA |
| XXXXX | 1.04 | Barry Zito | 21 | SFN |
| XXXXX | 1.02 | Jered Weaver | 29.7 | ANA |
| XXXXX | 0.99 | Drew Smyly | 16 | DET |
| XXXXX | 0.95 | Bartolo Colon | 34.3 | OAK |
| XXXXX | 0.95 | Ted Lilly | 13 | LAN |
| XXXXX | 0.84 | James Shields | 29.3 | TBA |
| XXXXX | 0.82 | Jason Vargas | 25.3 | SEA |
_