| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | LAN | 7.44 | 198105270_LAN_ATL |
| Jim Bibby | PIT | 4.86 | 198105290_PIT_WAS |
| Scott Sanderson | WAS | 3.4 | 198105290_PIT_WAS |
| Ken Forsch | ANA | 2.85 | 198105270_TOR_ANA |
| Phil Niekro | ATL | 2.83 | 198105290_ATL_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Torrez | BOS | -4.01 | 198105290_MIL_BOS |
| Rich Gale | KCA | -2.23 | 198105290_KCA_MIN |
| Bruce Berenyi | CIN | -1.84 | 198105280_SFN_CIN |
| Howard Bailey | DET | -1.59 | 198105270_DET_MIL |
| Randy Lerch | MIL | -1.58 | 198105270_DET_MIL |
Based on accumulated WAA for this season up to 1981-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.04 | Bob Knepper | 70.7 | HOU |
| +002+ | 3.87 | Fernando Valenzuela | 91 | LAN |
| +003+ | 3.27 | Nolan Ryan | 56 | HOU |
| +006+ | 2.93 | Jerry Reuss | 66.7 | LAN |
| +007+ | 2.72 | Vida Blue | 69.3 | SFN |
| +008+ | 2.64 | Doyle Alexander | 68.3 | SFN |
| +009+ | 2.59 | Tom Seaver | 69.3 | CIN |
| +012+ | 2.49 | Burt Hooton | 69 | LAN |
| +015+ | 2.25 | Joe Niekro | 79.7 | HOU |
| +017+ | 2.04 | Steve McCatty | 76.3 | OAK |
| +019+ | 2.01 | Bryan Clark | 63 | SEA |
| +025+ | 1.89 | Len Barker | 56.3 | CLE |
| +030+ | 1.74 | Scott Sanderson | 61.7 | WAS |
| +032+ | 1.63 | Steve Trout | 49.7 | CHA |
| +037+ | 1.48 | Bert Blyleven | 66.7 | CLE |
| +040+ | 1.46 | Charlie Lea | 43 | WAS |
| +047+ | 1.4 | Andy Rincon | 35.7 | SLN |
| +048+ | 1.39 | Rick Langford | 86.3 | OAK |
| +050+ | 1.37 | Brian Kingman | 63 | OAK |
| +052+ | 1.34 | Ken Forsch | 76 | ANA |
| +056+ | 1.29 | Jim Bibby | 63.7 | PIT |
| +057+ | 1.28 | Jim Palmer | 62.3 | BAL |
| +060+ | 1.26 | Scott McGregor | 54.7 | BAL |
| +062+ | 1.26 | Pascual Perez | 26.3 | PIT |
| XXXXX | 1.24 | Matt Keough | 79.3 | OAK |
_