| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Halladay | PHI | 8.78 | 201204270_CHN_PHI |
| Clayton Kershaw | LAN | 7.17 | 201204270_WAS_LAN |
| Jered Weaver | ANA | 6.85 | 201204270_ANA_CLE |
| Justin Verlander | DET | 5.88 | 201204270_DET_NYA |
| Gio Gonzalez | WAS | 3.75 | 201204290_WAS_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jason Marquis | MIN | -2.31 | 201204290_KCA_MIN |
| A.J. Burnett | PIT | -2.12 | 201204270_PIT_ATL |
| Kevin Millwood | SEA | -2.03 | 201204280_SEA_TOR |
| Paul Maholm | CHN | -1.77 | 201204270_CHN_PHI |
| Brandon Morrow | TOR | -1.33 | 201204280_SEA_TOR |
Based on accumulated WAA for this season up to 2012-04-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.04 | Joe Saunders | 30 | ARI |
| +004+ | 1.95 | Stephen Strasburg | 32 | WAS |
| +005+ | 1.92 | Kyle Lohse | 33.3 | SLN |
| +006+ | 1.83 | Jake Peavy | 37.7 | CHA |
| +007+ | 1.76 | Johnny Cueto | 32.3 | CIN |
| +008+ | 1.72 | Brandon Beachy | 25.7 | ATL |
| +009+ | 1.64 | Roy Halladay | 37 | PHI |
| +010+ | 1.63 | Jake Westbrook | 27.7 | SLN |
| +013+ | 1.6 | Jered Weaver | 35.7 | ANA |
| +014+ | 1.58 | Wandy Rodriguez | 31.3 | HOU |
| +015+ | 1.57 | Lance Lynn | 27 | SLN |
| +018+ | 1.52 | Jordan Zimmermann | 27 | WAS |
| +023+ | 1.41 | Clayton Kershaw | 30.3 | LAN |
| +024+ | 1.41 | Colby Lewis | 32.7 | TEX |
| +028+ | 1.38 | Barry Zito | 27 | SFN |
| +029+ | 1.34 | Ted Lilly | 20 | LAN |
| +030+ | 1.33 | Gio Gonzalez | 29.7 | WAS |
| +031+ | 1.32 | Drew Smyly | 22 | DET |
| XXXXX | 1.24 | Wade Miley | 21 | ARI |
| XXXXX | 1.23 | Jason Hammel | 26 | BAL |
| XXXXX | 1.2 | Justin Verlander | 37.3 | DET |
| XXXXX | 1.19 | Bartolo Colon | 42.7 | OAK |
| XXXXX | 1.17 | Felix Hernandez | 36.3 | SEA |
| XXXXX | 1.09 | Tom Milone | 27 | OAK |
| XXXXX | 1.08 | Ross Detwiler | 22 | WAS |
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