| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 10.36 | 197805070_MIN_BAL |
| Steve Carlton | PHI | 4.57 | 197805060_NYN_PHI |
| Bert Blyleven | PIT | 4.3 | 197805050_LAN_PIT |
| Tommy John | LAN | 4.04 | 197805070_LAN_PIT |
| Rick Reuschel | CHN | 3.55 | 197805060_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Pole | SEA | -4.12 | 197805070_TOR_SEA |
| Dave Lemanczyk | TOR | -4.09 | 197805060_TOR_SEA |
| Tom Hume | CIN | -2.32 | 197805050_WAS_CIN |
| Jack Billingham | DET | -1.92 | 197805050_DET_OAK |
| Mike Caldwell | MIL | -1.04 | 197805050_KCA_MIL |
Based on accumulated WAA for this season up to 1978-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.53 | Ross Grimsley | 52.3 | WAS |
| +004+ | 2.38 | Nolan Ryan | 50 | ANA |
| +007+ | 2.22 | Ron Guidry | 42.3 | NYA |
| +008+ | 2.14 | Rick Reuschel | 54.3 | CHN |
| +009+ | 2.1 | John Henry Johnson | 37.7 | OAK |
| +010+ | 2.07 | John Denny | 49.3 | SLN |
| +012+ | 1.95 | Pete Broberg | 33.3 | OAK |
| +014+ | 1.92 | Rick Rhoden | 40.3 | LAN |
| +016+ | 1.8 | Paul Splittorff | 54.7 | KCA |
| +021+ | 1.59 | Ray Burris | 50.3 | CHN |
| +022+ | 1.54 | Joaquin Andujar | 43.7 | HOU |
| +024+ | 1.53 | Dave Rozema | 32.3 | DET |
| +023+ | 1.53 | Jim Palmer | 40.3 | BAL |
| +028+ | 1.47 | Bob Knepper | 44 | SFN |
| +030+ | 1.44 | Gaylord Perry | 37.3 | SDN |
| +035+ | 1.4 | Steve Carlton | 41.7 | PHI |
| +034+ | 1.4 | Manny Sarmiento | 26.3 | CIN |
| +038+ | 1.32 | Bill Lee | 49 | BOS |
| XXXXX | 1.23 | Rick Langford | 32.3 | OAK |
| XXXXX | 1.2 | Bob Owchinko | 37 | SDN |
| XXXXX | 1.15 | John Montefusco | 40.3 | SFN |
| XXXXX | 1.15 | Jim Barr | 40.3 | SFN |
| XXXXX | 1.07 | Jerry Koosman | 41.3 | NYN |
| XXXXX | 1.04 | Vida Blue | 46.3 | SFN |
| XXXXX | 1.02 | Matt Keough | 37.3 | OAK |
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