| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Tanana | ANA | 9.03 | 197805300_ANA_CHA |
| Jim Palmer | BAL | 8.13 | 197806010_BAL_NYA |
| Rick Reuschel | CHN | 6.06 | 197805300_CHN_WAS |
| J.R. Richard | HOU | 5.19 | 197805300_SFN_HOU |
| Steve Carlton | PHI | 4.47 | 197805300_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Hume | CIN | -4.6 | 197805300_CIN_ATL |
| Paul Thormodsgard | MIN | -2.5 | 197806010_MIN_TEX |
| Jerry Garvin | TOR | -2.31 | 197805300_TOR_BOS |
| Glenn Abbott | SEA | -2.12 | 197805310_SEA_KCA |
| Dick Ruthven | ATL | -0.7 | 197805310_CIN_ATL |
Based on accumulated WAA for this season up to 1978-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.2 | Rick Reuschel | 89.3 | CHN |
| +003+ | 3.18 | Bob Knepper | 85 | SFN |
| +004+ | 3.17 | Ron Guidry | 76.7 | NYA |
| +005+ | 3.14 | Jim Palmer | 86.3 | BAL |
| +007+ | 3.07 | John Henry Johnson | 65.7 | OAK |
| +013+ | 2.45 | Steve Rogers | 89 | WAS |
| +014+ | 2.41 | Bob Forsch | 86 | SLN |
| +015+ | 2.41 | Ross Grimsley | 83.7 | WAS |
| +019+ | 2.25 | Paul Splittorff | 95.3 | KCA |
| +020+ | 2.23 | Randy Jones | 74.3 | SDN |
| +023+ | 2.08 | Geoff Zahn | 74.3 | MIN |
| +027+ | 1.89 | Vida Blue | 84.7 | SFN |
| +029+ | 1.88 | Steve Carlton | 78 | PHI |
| +030+ | 1.85 | David Clyde | 33 | CLE |
| +032+ | 1.82 | Frank Tanana | 84.3 | ANA |
| +033+ | 1.82 | Manny Sarmiento | 44 | CIN |
| +036+ | 1.77 | Don Robinson | 74.3 | PIT |
| +037+ | 1.75 | Joaquin Andujar | 59.7 | HOU |
| +042+ | 1.65 | Phil Niekro | 99 | ATL |
| +044+ | 1.64 | Craig Swan | 73 | NYN |
| +047+ | 1.57 | Matt Keough | 58 | OAK |
| +048+ | 1.55 | Tommy John | 79 | LAN |
| +050+ | 1.51 | John Denny | 78 | SLN |
| +053+ | 1.5 | Ed Figueroa | 81.7 | NYA |
| +051+ | 1.5 | Fred Norman | 72.7 | CIN |
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