| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Porcello | DET | -4.22 | 201205010_KCA_DET |
| Francisco Liriano | MIN | -2.44 | 201205010_MIN_ANA |
| Phil Hughes | NYA | -2.37 | 201205010_BAL_NYA |
| Brian Matusz | BAL | -2.2 | 201205010_BAL_NYA |
| Luke Hochevar | KCA | -2.13 | 201205010_KCA_DET |
Based on accumulated WAA for this season up to 2012-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 2.43 | Jered Weaver | 44.7 | ANA |
| +005+ | 2.22 | Joe Saunders | 36.3 | ARI |
| +006+ | 2.02 | Wandy Rodriguez | 38.3 | HOU |
| +008+ | 1.97 | Stephen Strasburg | 32 | WAS |
| +009+ | 1.96 | Ryan Dempster | 28.3 | CHN |
| +010+ | 1.94 | Kyle Lohse | 33.3 | SLN |
| +011+ | 1.91 | Brandon Beachy | 32.7 | ATL |
| +012+ | 1.85 | Jake Peavy | 37.7 | CHA |
| +016+ | 1.77 | Johnny Cueto | 32.3 | CIN |
| +017+ | 1.76 | Lance Lynn | 33.7 | SLN |
| +021+ | 1.7 | Felix Hernandez | 44.3 | SEA |
| +023+ | 1.51 | Justin Verlander | 45.3 | DET |
| +024+ | 1.5 | Barry Zito | 30.7 | SFN |
| +025+ | 1.48 | Ted Lilly | 26 | LAN |
| +026+ | 1.46 | Jordan Zimmermann | 33.3 | WAS |
| +027+ | 1.45 | Colby Lewis | 32.7 | TEX |
| +028+ | 1.44 | Ross Detwiler | 28.3 | WAS |
| +029+ | 1.4 | Vance Worley | 32 | PHI |
| +032+ | 1.37 | Jake Westbrook | 34 | SLN |
| +031+ | 1.37 | Jason Hammel | 32 | BAL |
| +034+ | 1.35 | Matt Cain | 38.3 | SFN |
| +033+ | 1.35 | Gio Gonzalez | 29.7 | WAS |
| +036+ | 1.33 | Drew Smyly | 22 | DET |
| +039+ | 1.3 | Brandon Morrow | 41.7 | TOR |
| +042+ | 1.27 | Yu Darvish | 33 | TEX |
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