| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Halladay | PHI | 9.08 | 201004210_PHI_ATL |
| Dan Haren | ARI | 4.99 | 201004200_SLN_ARI |
| Felix Hernandez | SEA | 4.64 | 201004210_BAL_SEA |
| Zack Greinke | KCA | 4.01 | 201004210_KCA_TOR |
| Matt Cain | SFN | 2.65 | 201004190_SFN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Charlie Morton | PIT | -3.18 | 201004200_MIL_PIT |
| Kyle Kendrick | PHI | -2.64 | 201004200_PHI_ATL |
| Gio Gonzalez | OAK | -1.88 | 201004200_NYA_OAK |
| Craig Stammen | WAS | -1.69 | 201004190_COL_WAS |
| Dontrelle Willis | DET | -1.64 | 201004190_DET_ANA |
Based on accumulated WAA for this season up to 2010-04-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.63 | Roy Halladay | 33 | PHI |
| +003+ | 1.88 | Matt Garza | 24 | TBA |
| +004+ | 1.6 | Livan Hernandez | 16 | WAS |
| +005+ | 1.54 | Tim Lincecum | 20 | SFN |
| +008+ | 1.51 | Mike Pelfrey | 21 | NYN |
| +007+ | 1.51 | Carlos Silva | 19 | CHN |
| +009+ | 1.46 | Felix Hernandez | 29.3 | SEA |
| +011+ | 1.43 | Francisco Liriano | 21 | MIN |
| +012+ | 1.42 | Ubaldo Jimenez | 21 | COL |
| +013+ | 1.41 | John Danks | 21 | CHA |
| +014+ | 1.39 | Andy Pettitte | 20 | NYA |
| +016+ | 1.38 | Ricky Romero | 23 | TOR |
| +017+ | 1.37 | Adam Wainwright | 24 | SLN |
| +019+ | 1.3 | Brad Penny | 21 | SLN |
| +022+ | 1.27 | Doug Fister | 19 | SEA |
| XXXXX | 1.18 | Joel Pineiro | 20.3 | ANA |
| XXXXX | 1.05 | Jonathan Sanchez | 19.3 | SFN |
| XXXXX | 1.05 | Barry Zito | 19.3 | SFN |
| XXXXX | 1.02 | J.A. Happ | 10.3 | PHI |
| XXXXX | 0.99 | Jaime Garcia | 13 | SLN |
| XXXXX | 0.98 | Hiroki Kuroda | 20.7 | LAN |
| XXXXX | 0.96 | Dana Eveland | 18.7 | TOR |
| XXXXX | 0.9 | Jered Weaver | 26 | ANA |
| XXXXX | 0.87 | A.J. Burnett | 19 | NYA |
| XXXXX | 0.86 | Max Scherzer | 17 | DET |
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