| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 13.9 | 197809090_NYA_BOS |
| Mike Caldwell | MIL | 7.9 | 197809090_MIL_MIN |
| Jon Matlack | TEX | 6.61 | 197809080_TEX_OAK |
| Bob Knepper | SFN | 3.97 | 197809090_SFN_CIN |
| Dave Goltz | MIN | 3.28 | 197809100_MIL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Burris | CHN | -3.13 | 197809080_CHN_WAS |
| Jim Colborn | SEA | -2.5 | 197809080_SEA_CHA |
| Balor Moore | TOR | -1.68 | 197809090_BAL_TOR |
| Pete Broberg | OAK | -1.52 | 197809102_TEX_OAK |
| Jim Lonborg | PHI | -1.33 | 197809100_SLN_PHI |
Based on accumulated WAA for this season up to 1978-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.62 | Ron Guidry | 238.7 | NYA |
| +003+ | 8.31 | Mike Caldwell | 260 | MIL |
| +005+ | 7.4 | Jim Palmer | 257.7 | BAL |
| +008+ | 6.42 | Jon Matlack | 226.7 | TEX |
| +014+ | 5.77 | Vida Blue | 229 | SFN |
| +016+ | 5.59 | Pete Vuckovich | 176 | SLN |
| +018+ | 5.47 | Dave Goltz | 194.3 | MIN |
| +020+ | 5.14 | Randy Jones | 235 | SDN |
| +024+ | 4.97 | Bob Knepper | 227 | SFN |
| +033+ | 4.62 | Burt Hooton | 206 | LAN |
| +034+ | 4.49 | Phil Niekro | 291 | ATL |
| +040+ | 3.92 | Larry Gura | 187.3 | KCA |
| +043+ | 3.72 | Tom Seaver | 227.3 | CIN |
| +045+ | 3.59 | Steve Carlton | 212.3 | PHI |
| +047+ | 3.58 | Steve Comer | 90.7 | TEX |
| +050+ | 3.45 | Gaylord Perry | 218 | SDN |
| +051+ | 3.33 | Lary Sorensen | 248.7 | MIL |
| +053+ | 3.32 | Rick Waits | 197.7 | CLE |
| +055+ | 3.26 | Rick Reuschel | 221.3 | CHN |
| +060+ | 3.16 | Bert Blyleven | 212.3 | PIT |
| +061+ | 3.14 | Rich Gale | 178.3 | KCA |
| +062+ | 3.13 | Ross Grimsley | 226.7 | WAS |
| +064+ | 3.11 | Ed Halicki | 171 | SFN |
| +067+ | 3.06 | Hal Dues | 99 | WAS |
| +070+ | 3.02 | J.R. Richard | 247.3 | HOU |
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