| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Tanana | ANA | 6.89 | 197805190_ANA_MIL |
| Jim Palmer | BAL | 5.74 | 197805200_BAL_CLE |
| Steve Carlton | PHI | 5.42 | 197805200_PHI_NYN |
| J.R. Richard | HOU | 4 | 197805200_ATL_HOU |
| Steve Rogers | WAS | 3.78 | 197805180_CIN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Lemanczyk | TOR | -5.15 | 197805200_NYA_TOR |
| Dick Pole | SEA | -4.18 | 197805191_TEX_SEA |
| Tom Hume | CIN | -4.05 | 197805200_SDN_CIN |
| Paul Thormodsgard | MIN | -2.43 | 197805200_MIN_KCA |
| Dave Roberts | CHN | -1.4 | 197805190_SLN_CHN |
Based on accumulated WAA for this season up to 1978-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.7 | Ron Guidry | 58.7 | NYA |
| +004+ | 2.64 | Rick Reuschel | 69 | CHN |
| +008+ | 2.43 | Bob Knepper | 62 | SFN |
| +010+ | 2.24 | John Henry Johnson | 49.7 | OAK |
| +012+ | 2.18 | Don Robinson | 61 | PIT |
| +013+ | 2.17 | Joaquin Andujar | 55.7 | HOU |
| +014+ | 2.17 | Gaylord Perry | 59.7 | SDN |
| +015+ | 2.15 | Bob Forsch | 64 | SLN |
| +018+ | 2.02 | Paul Splittorff | 70.3 | KCA |
| +021+ | 1.95 | Bill Lee | 64.3 | BOS |
| +026+ | 1.86 | Ross Grimsley | 58.7 | WAS |
| +027+ | 1.84 | Tommy John | 63.7 | LAN |
| +028+ | 1.79 | Manny Sarmiento | 30.3 | CIN |
| +030+ | 1.69 | Randy Jones | 59 | SDN |
| +031+ | 1.68 | Steve Rogers | 66 | WAS |
| +032+ | 1.65 | Frank Tanana | 70.7 | ANA |
| +034+ | 1.63 | Craig Swan | 55.7 | NYN |
| +038+ | 1.6 | Steve Carlton | 62 | PHI |
| +039+ | 1.58 | Phil Niekro | 73.7 | ATL |
| +040+ | 1.56 | Fred Norman | 61.7 | CIN |
| +041+ | 1.55 | Dave Rozema | 40 | DET |
| +045+ | 1.45 | Rick Waits | 48.3 | CLE |
| +048+ | 1.4 | Bob Sykes | 26 | DET |
| XXXXX | 1.24 | Nolan Ryan | 66 | ANA |
| XXXXX | 1.21 | Doug Rau | 49.3 | LAN |
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