| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ubaldo Jimenez | COL | 7.68 | 201005310_COL_SFN |
| Adam Wainwright | SLN | 5.17 | 201005300_SLN_CHN |
| Tim Lincecum | SFN | 4.77 | 201005310_COL_SFN |
| Jon Lester | BOS | 3.15 | 201005300_KCA_BOS |
| Roy Oswalt | HOU | 2.86 | 201005310_WAS_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luke Hochevar | KCA | -3.13 | 201005310_ANA_KCA |
| Jason Hammel | COL | -1.87 | 201006010_COL_SFN |
| Craig Stammen | WAS | -1.66 | 201006010_WAS_HOU |
| Brandon Morrow | TOR | -1.49 | 201005310_TBA_TOR |
| Dave Bush | MIL | -1.48 | 201006010_MIL_MIA |
Based on accumulated WAA for this season up to 2010-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.27 | Ubaldo Jimenez | 80.3 | COL |
| +002+ | 4.46 | Roy Halladay | 86 | PHI |
| +003+ | 3.98 | Jaime Garcia | 61.3 | SLN |
| +005+ | 3.36 | Adam Wainwright | 79 | SLN |
| +006+ | 3.26 | Josh Johnson | 70 | MIA |
| +007+ | 3.21 | Livan Hernandez | 67 | WAS |
| +008+ | 3.17 | Tim Hudson | 70.3 | ATL |
| +012+ | 2.95 | Mike Pelfrey | 71.7 | NYN |
| +011+ | 2.95 | Jon Garland | 67 | SDN |
| +015+ | 2.8 | Doug Fister | 69.7 | SEA |
| +018+ | 2.74 | Andy Pettitte | 65.3 | NYA |
| +019+ | 2.69 | Shaun Marcum | 73 | TOR |
| +020+ | 2.61 | Mike Leake | 66 | CIN |
| +023+ | 2.53 | Matt Cain | 68.3 | SFN |
| +026+ | 2.41 | Roy Oswalt | 71.3 | HOU |
| +028+ | 2.38 | David Price | 66.7 | TBA |
| +033+ | 2.26 | Barry Zito | 74.3 | SFN |
| +034+ | 2.23 | Yovani Gallardo | 68 | MIL |
| +038+ | 2.17 | Jeff Niemann | 71 | TBA |
| +043+ | 2.08 | Phil Hughes | 56.7 | NYA |
| +046+ | 2.04 | Brett Myers | 74 | HOU |
| +049+ | 2.01 | Chris Carpenter | 73.7 | SLN |
| +050+ | 2 | Clay Buchholz | 62.7 | BOS |
| +055+ | 1.93 | Jered Weaver | 68.7 | ANA |
| +058+ | 1.9 | Jon Lester | 72.7 | BOS |
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