| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Tanana | ANA | 7.9 | 197805250_CHA_ANA |
| Rick Reuschel | CHN | 5.34 | 197805250_PHI_CHN |
| J.R. Richard | HOU | 5.17 | 197805250_HOU_SFN |
| Steve Carlton | PHI | 5.02 | 197805250_PHI_CHN |
| Steve Rogers | WAS | 3.88 | 197805260_WAS_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Garvin | TOR | -2.09 | 197805260_TOR_NYA |
| Glenn Abbott | SEA | -1.5 | 197805250_KCA_SEA |
| Pete Falcone | SLN | -1.27 | 197805260_CHN_SLN |
| Dave Roberts | CHN | -0.98 | 197805260_CHN_SLN |
| Steve Stone | CHA | -0.75 | 197805260_OAK_CHA |
Based on accumulated WAA for this season up to 1978-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.15 | Rick Reuschel | 82.3 | CHN |
| +003+ | 3.13 | Ron Guidry | 67.7 | NYA |
| +004+ | 3.06 | John Henry Johnson | 65.7 | OAK |
| +007+ | 2.65 | Bob Forsch | 79 | SLN |
| +010+ | 2.46 | Bob Knepper | 76 | SFN |
| +013+ | 2.27 | Frank Tanana | 79.7 | ANA |
| +014+ | 2.19 | Bill Lee | 81.3 | BOS |
| +017+ | 2.09 | Ross Grimsley | 74.7 | WAS |
| +018+ | 2.07 | Steve Rogers | 81.7 | WAS |
| +021+ | 2.05 | Don Robinson | 69 | PIT |
| +022+ | 2.02 | Paul Splittorff | 86.3 | KCA |
| +024+ | 2.01 | Tommy John | 71.7 | LAN |
| +025+ | 2 | Manny Sarmiento | 41 | CIN |
| +028+ | 1.88 | David Clyde | 33 | CLE |
| +031+ | 1.85 | Bob Sykes | 34 | DET |
| +032+ | 1.84 | Gaylord Perry | 64.7 | SDN |
| +034+ | 1.79 | Joaquin Andujar | 59.7 | HOU |
| +037+ | 1.75 | Randy Jones | 66 | SDN |
| +038+ | 1.74 | Craig Swan | 63.7 | NYN |
| +041+ | 1.64 | Jim Palmer | 68.3 | BAL |
| +042+ | 1.6 | Phil Niekro | 90 | ATL |
| +045+ | 1.53 | Fred Norman | 67.7 | CIN |
| +046+ | 1.52 | Bill Bonham | 52.7 | CIN |
| +049+ | 1.46 | Geoff Zahn | 66.3 | MIN |
| +050+ | 1.45 | Dave Rozema | 49 | DET |
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