| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.35 | 197805120_BAL_TEX |
| Steve Carlton | PHI | 5.1 | 197805110_CIN_PHI |
| Nolan Ryan | ANA | 4.72 | 197805120_ANA_CLE |
| Rick Reuschel | CHN | 3.82 | 197805110_CHN_SDN |
| Ron Guidry | NYA | 3.33 | 197805130_NYA_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Lemanczyk | TOR | -4.8 | 197805130_SEA_TOR |
| Dick Pole | SEA | -4.33 | 197805130_SEA_TOR |
| Scott McGregor | BAL | -2.21 | 197805130_BAL_TEX |
| Jack Billingham | DET | -1.85 | 197805120_OAK_DET |
| Bill Bonham | CIN | -1.73 | 197805120_CIN_PHI |
Based on accumulated WAA for this season up to 1978-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.58 | Ross Grimsley | 58.3 | WAS |
| +003+ | 2.5 | Rick Reuschel | 61 | CHN |
| +004+ | 2.45 | Ron Guidry | 50.3 | NYA |
| +005+ | 2.28 | John Henry Johnson | 42.3 | OAK |
| +007+ | 2.21 | Nolan Ryan | 58 | ANA |
| +008+ | 2.2 | Bob Knepper | 53 | SFN |
| +016+ | 1.92 | Steve Carlton | 50.7 | PHI |
| +018+ | 1.82 | Joaquin Andujar | 50.7 | HOU |
| +020+ | 1.72 | Paul Splittorff | 61.3 | KCA |
| +022+ | 1.64 | Bob Forsch | 59 | SLN |
| +023+ | 1.63 | Manny Sarmiento | 29.3 | CIN |
| +025+ | 1.59 | Gaylord Perry | 44.3 | SDN |
| +026+ | 1.58 | Matt Keough | 44 | OAK |
| +028+ | 1.52 | Dave Rozema | 40 | DET |
| +030+ | 1.5 | Pete Broberg | 38 | OAK |
| +031+ | 1.48 | Rick Waits | 44.7 | CLE |
| +037+ | 1.41 | Bill Lee | 55.3 | BOS |
| +034+ | 1.41 | Steve Rogers | 57 | WAS |
| +043+ | 1.27 | John Denny | 52.3 | SLN |
| XXXXX | 1.24 | Fred Norman | 54.7 | CIN |
| XXXXX | 1.23 | Tommy John | 54.7 | LAN |
| XXXXX | 1.2 | Geoff Zahn | 53.3 | MIN |
| XXXXX | 1.17 | John Montefusco | 55.7 | SFN |
| XXXXX | 1.16 | Craig Swan | 48.7 | NYN |
| XXXXX | 1.14 | Vida Blue | 55.3 | SFN |
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