| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Lee | PHI | 7.23 | 201306070_PHI_MIL |
| Jordan Zimmermann | WAS | 6.04 | 201306091_MIN_WAS |
| Felix Hernandez | SEA | 4.47 | 201306090_NYA_SEA |
| James Shields | KCA | 4.29 | 201306070_HOU_KCA |
| Hiroki Kuroda | NYA | 3.94 | 201306070_NYA_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Francis | COL | -3.84 | 201306080_SDN_COL |
| Joe Blanton | ANA | -3.64 | 201306090_ANA_BOS |
| Clayton Richard | SDN | -3.34 | 201306090_SDN_COL |
| Ubaldo Jimenez | CLE | -2.81 | 201306070_CLE_DET |
| Rick Porcello | DET | -2.58 | 201306080_CLE_DET |
Based on accumulated WAA for this season up to 2013-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.54 | Clay Buchholz | 84.3 | BOS |
| +004+ | 4.54 | Clayton Kershaw | 93.3 | LAN |
| +005+ | 4.42 | Jordan Zimmermann | 94.7 | WAS |
| +010+ | 4.11 | Hisashi Iwakuma | 88.3 | SEA |
| +011+ | 3.72 | Matt Harvey | 90 | NYN |
| +012+ | 3.6 | Patrick Corbin | 81.7 | ARI |
| +014+ | 3.52 | Adam Wainwright | 96 | SLN |
| +013+ | 3.52 | Shelby Miller | 75.3 | SLN |
| +016+ | 3.3 | Cliff Lee | 95.3 | PHI |
| +017+ | 3.28 | Felix Hernandez | 97.7 | SEA |
| +019+ | 3.01 | Mike Minor | 84.7 | ATL |
| +022+ | 2.83 | Alex Cobb | 75.3 | TBA |
| +024+ | 2.75 | Jeff Locke | 75.3 | PIT |
| +025+ | 2.62 | James Shields | 93 | KCA |
| +029+ | 2.52 | Stephen Strasburg | 74.3 | WAS |
| +031+ | 2.44 | Travis Wood | 78 | CHN |
| +032+ | 2.42 | Yu Darvish | 88.3 | TEX |
| +035+ | 2.39 | Hyun-Jin Ryu | 79.3 | LAN |
| +038+ | 2.28 | Chris Sale | 77.3 | CHA |
| +042+ | 2.13 | Hiroki Kuroda | 79.3 | NYA |
| +050+ | 2.04 | Derek Holland | 79.7 | TEX |
| +051+ | 2.03 | Mat Latos | 84.7 | CIN |
| +053+ | 2.02 | Ervin Santana | 84.3 | KCA |
| +055+ | 2.01 | Kris Medlen | 78.3 | ATL |
| +060+ | 1.87 | Mike Leake | 73.7 | CIN |
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