| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | LAN | 6.11 | 198105220_LAN_CIN |
| Tommy John | NYA | 4.63 | 198105220_CLE_NYA |
| Jim Bibby | PIT | 4.22 | 198105240_PHI_PIT |
| Tom Seaver | CIN | 3.87 | 198105241_LAN_CIN |
| Scott Sanderson | WAS | 3.82 | 198105240_WAS_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Torrez | BOS | -4.65 | 198105230_BOS_MIL |
| Mike Krukow | CHN | -3.19 | 198105220_WAS_CHN |
| Rich Gale | KCA | -2.32 | 198105240_MIN_KCA |
| Bruce Berenyi | CIN | -1.82 | 198105242_LAN_CIN |
| Mike Scott | NYN | -1.52 | 198105240_NYN_SLN |
Based on accumulated WAA for this season up to 1981-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.93 | Fernando Valenzuela | 87.3 | LAN |
| +002+ | 3.25 | Bob Knepper | 61.7 | HOU |
| +005+ | 2.71 | Jerry Reuss | 59.7 | LAN |
| +006+ | 2.7 | Doyle Alexander | 62.3 | SFN |
| +007+ | 2.66 | Nolan Ryan | 49 | HOU |
| +009+ | 2.53 | Tom Seaver | 69.3 | CIN |
| +010+ | 2.36 | Bert Blyleven | 63 | CLE |
| +012+ | 2.2 | Vida Blue | 61.3 | SFN |
| +013+ | 2.17 | Len Barker | 50.3 | CLE |
| +015+ | 2.05 | Joe Niekro | 73 | HOU |
| +016+ | 1.98 | Burt Hooton | 63.7 | LAN |
| +021+ | 1.79 | Bryan Clark | 55.3 | SEA |
| +023+ | 1.78 | Matt Keough | 71.3 | OAK |
| +027+ | 1.69 | Scott McGregor | 50 | BAL |
| +029+ | 1.66 | Steve McCatty | 67.3 | OAK |
| +033+ | 1.59 | Brian Kingman | 56 | OAK |
| +034+ | 1.58 | Steve Trout | 49.7 | CHA |
| +035+ | 1.53 | Steve Carlton | 77 | PHI |
| +040+ | 1.45 | Scott Sanderson | 56 | WAS |
| +048+ | 1.38 | Jim Bibby | 57.7 | PIT |
| +049+ | 1.34 | Andy Rincon | 35.7 | SLN |
| +052+ | 1.3 | Allen Ripley | 55.3 | SFN |
| XXXXX | 1.23 | Rick Rhoden | 47.7 | PIT |
| XXXXX | 1.18 | Ken Forsch | 67 | ANA |
| XXXXX | 1.09 | Doug Bird | 35.7 | NYA |
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