| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Tanana | ANA | 9.03 | 197805300_ANA_CHA |
| Jim Palmer | BAL | 7.28 | 197805282_CLE_BAL |
| Rick Reuschel | CHN | 6.06 | 197805300_CHN_WAS |
| J.R. Richard | HOU | 5.19 | 197805300_SFN_HOU |
| Ron Guidry | NYA | 4.52 | 197805281_TOR_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Lemanczyk | TOR | -7.78 | 197805282_TOR_NYA |
| Dick Pole | SEA | -4.73 | 197805290_SEA_KCA |
| Tom Hume | CIN | -4.6 | 197805300_CIN_ATL |
| Francisco Barrios | CHA | -2.08 | 197805282_OAK_CHA |
| Paul Thormodsgard | MIN | -1.94 | 197805280_KCA_MIN |
Based on accumulated WAA for this season up to 1978-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.21 | Rick Reuschel | 89.3 | CHN |
| +004+ | 3.2 | Ron Guidry | 76.7 | NYA |
| +003+ | 3.2 | Bob Knepper | 85 | SFN |
| +005+ | 3.09 | John Henry Johnson | 65.7 | OAK |
| +010+ | 2.67 | Bob Forsch | 79 | SLN |
| +012+ | 2.48 | Steve Rogers | 89 | WAS |
| +014+ | 2.44 | Ross Grimsley | 83.7 | WAS |
| +015+ | 2.39 | Jim Palmer | 77.3 | BAL |
| +017+ | 2.26 | Randy Jones | 74.3 | SDN |
| +019+ | 2.15 | Bill Lee | 81.3 | BOS |
| +022+ | 2.09 | Geoff Zahn | 74.3 | MIN |
| +027+ | 1.92 | Paul Splittorff | 86.3 | KCA |
| +028+ | 1.9 | Steve Carlton | 78 | PHI |
| +030+ | 1.86 | David Clyde | 33 | CLE |
| +032+ | 1.84 | Frank Tanana | 84.3 | ANA |
| +034+ | 1.8 | Don Robinson | 74.3 | PIT |
| +035+ | 1.77 | Joaquin Andujar | 59.7 | HOU |
| +036+ | 1.75 | Manny Sarmiento | 43 | CIN |
| +039+ | 1.69 | Phil Niekro | 99 | ATL |
| +041+ | 1.66 | Craig Swan | 73 | NYN |
| +046+ | 1.59 | Matt Keough | 58 | OAK |
| +047+ | 1.58 | Tommy John | 79 | LAN |
| +049+ | 1.54 | John Denny | 78 | SLN |
| +051+ | 1.52 | Fred Norman | 72.7 | CIN |
| +053+ | 1.51 | Bill Bonham | 52.7 | CIN |
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