| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 12.56 | 198008220_SFN_PHI |
| Britt Burns | CHA | 2.73 | 198008220_TOR_CHA |
| Steve Stone | BAL | 2.53 | 198008230_BAL_OAK |
| Rudy May | NYA | 2.14 | 198008230_NYA_ANA |
| Pat Zachry | NYN | 1.54 | 198008240_LAN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Figueroa | TEX | -3.41 | 198008230_MIL_TEX |
| Jim Beattie | SEA | -3.27 | 198008220_BOS_SEA |
| Jack Kucek | TOR | -2.88 | 198008230_TOR_CHA |
| Ross Grimsley | CLE | -2.41 | 198008240_CLE_KCA |
| Dennis Lamp | CHN | -1.86 | 198008230_CHN_HOU |
Based on accumulated WAA for this season up to 1980-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.42 | Steve Carlton | 230 | PHI |
| +003+ | 8.05 | Larry Gura | 220.3 | KCA |
| +005+ | 7.54 | Mike Norris | 214.7 | OAK |
| +007+ | 6.75 | Jerry Reuss | 170.3 | LAN |
| +009+ | 5.92 | Don Sutton | 161 | LAN |
| +020+ | 4.88 | J.R. Richard | 113.7 | HOU |
| +021+ | 4.73 | Britt Burns | 183 | CHA |
| +023+ | 4.72 | Moose Haas | 192.3 | MIL |
| +025+ | 4.19 | Steve Stone | 190 | BAL |
| +027+ | 4.17 | Rudy May | 129.7 | NYA |
| +028+ | 4.01 | Rick Langford | 210.3 | OAK |
| +031+ | 3.96 | Jim Bibby | 190.3 | PIT |
| +034+ | 3.73 | Ken Forsch | 182.3 | HOU |
| +041+ | 3.6 | Bill Caudill | 98.7 | CHN |
| +043+ | 3.59 | Dave Stieb | 191.3 | TOR |
| +046+ | 3.35 | Matt Keough | 207.7 | OAK |
| +057+ | 2.96 | Jim Clancy | 189 | TOR |
| +060+ | 2.94 | Eddie Whitson | 162.3 | SFN |
| +064+ | 2.89 | Pat Zachry | 132.7 | NYN |
| +070+ | 2.79 | Nolan Ryan | 186 | HOU |
| +079+ | 2.72 | Scott McGregor | 183 | BAL |
| +080+ | 2.66 | Steve Rogers | 207.3 | WAS |
| +082+ | 2.55 | Vern Ruhle | 99 | HOU |
| +090+ | 2.43 | Rick Reuschel | 200.3 | CHN |
| +091+ | 2.42 | Vida Blue | 163.7 | SFN |
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