| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 7.28 | 197805282_CLE_BAL |
| Ron Guidry | NYA | 4.52 | 197805281_TOR_NYA |
| Tommy John | LAN | 4.31 | 197805290_SDN_LAN |
| Vida Blue | SFN | 3.16 | 197805270_LAN_SFN |
| Nolan Ryan | ANA | 2.36 | 197805280_MIL_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Lemanczyk | TOR | -7.78 | 197805282_TOR_NYA |
| Dick Pole | SEA | -4.73 | 197805290_SEA_KCA |
| Francisco Barrios | CHA | -2.08 | 197805282_OAK_CHA |
| Paul Thormodsgard | MIN | -1.94 | 197805280_KCA_MIN |
| Pete Falcone | SLN | -1.87 | 197805292_SLN_NYN |
Based on accumulated WAA for this season up to 1978-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.25 | Rick Reuschel | 82.3 | CHN |
| +003+ | 3.2 | Ron Guidry | 76.7 | NYA |
| +004+ | 3.09 | John Henry Johnson | 65.7 | OAK |
| +008+ | 2.7 | Bob Forsch | 79 | SLN |
| +012+ | 2.46 | Bob Knepper | 76 | SFN |
| +011+ | 2.46 | Ross Grimsley | 83.7 | WAS |
| +013+ | 2.4 | Jim Palmer | 77.3 | BAL |
| +015+ | 2.28 | Frank Tanana | 79.7 | ANA |
| +016+ | 2.27 | Randy Jones | 74.3 | SDN |
| +019+ | 2.17 | Bill Lee | 81.3 | BOS |
| +022+ | 2.08 | Steve Rogers | 81.7 | WAS |
| +028+ | 1.95 | Paul Splittorff | 86.3 | KCA |
| +030+ | 1.87 | David Clyde | 33 | CLE |
| +031+ | 1.81 | Don Robinson | 74.3 | PIT |
| +032+ | 1.79 | Joaquin Andujar | 59.7 | HOU |
| +034+ | 1.76 | Manny Sarmiento | 43 | CIN |
| +039+ | 1.67 | Craig Swan | 73 | NYN |
| +042+ | 1.61 | Tommy John | 79 | LAN |
| +043+ | 1.6 | Matt Keough | 58 | OAK |
| +045+ | 1.59 | Phil Niekro | 90 | ATL |
| +046+ | 1.56 | John Denny | 78 | SLN |
| +048+ | 1.54 | Fred Norman | 72.7 | CIN |
| +049+ | 1.53 | Bill Bonham | 52.7 | CIN |
| +053+ | 1.46 | Dave Rozema | 49 | DET |
| +055+ | 1.44 | Vida Blue | 76.3 | SFN |
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