| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 5.56 | 197105040_ANA_BAL |
| Jerry Koosman | NYN | 4.65 | 197105020_NYN_HOU |
| Dick Bosman | TEX | 4.19 | 197105040_TEX_MIL |
| Fritz Peterson | NYA | 4.11 | 197105022_MIL_NYA |
| Sam McDowell | CLE | 3.54 | 197105021_CLE_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Hargan | CLE | -2.41 | 197105040_KCA_CLE |
| Tom Murphy | ANA | -2.34 | 197105040_ANA_BAL |
| Steve Arlin | SDN | -1.66 | 197105020_SDN_PIT |
| Don Wilson | HOU | -1.08 | 197105020_NYN_HOU |
| Don Sutton | LAN | -0.72 | 197105020_LAN_ATL |
Based on accumulated WAA for this season up to 1971-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.63 | Vida Blue | 52.7 | OAK |
| +003+ | 2.49 | Al Downing | 47 | LAN |
| +007+ | 2.28 | Larry Dierker | 52 | HOU |
| +011+ | 1.73 | Tom Seaver | 47.3 | NYN |
| +013+ | 1.67 | Steve Carlton | 49.3 | SLN |
| +015+ | 1.6 | Tom Bradley | 45 | CHA |
| +019+ | 1.46 | Dock Ellis | 46 | PIT |
| +020+ | 1.41 | Sonny Siebert | 45.3 | BOS |
| +021+ | 1.4 | Dick Drago | 39.3 | KCA |
| +023+ | 1.36 | Juan Marichal | 46 | SFN |
| +025+ | 1.34 | Ron Bryant | 29 | SFN |
| +024+ | 1.34 | Bert Blyleven | 46 | MIN |
| XXXXX | 1.19 | Jim Palmer | 50 | BAL |
| XXXXX | 1.16 | Jerry Koosman | 34.3 | NYN |
| XXXXX | 1.14 | Bill Parsons | 38.7 | MIL |
| XXXXX | 1.12 | Steve Renko | 38 | WAS |
| XXXXX | 1.1 | Luke Walker | 36 | PIT |
| XXXXX | 1.09 | Andy Messersmith | 44.3 | ANA |
| XXXXX | 1.06 | Ferguson Jenkins | 48 | CHN |
| XXXXX | 1.01 | Mike Hedlund | 34.3 | KCA |
| XXXXX | 1 | Bob Johnson | 32 | PIT |
| XXXXX | 0.98 | Steve Kline | 40 | NYA |
| XXXXX | 0.96 | Ray Lamb | 22.7 | CLE |
| XXXXX | 0.93 | Chris Short | 43.3 | PHI |
| XXXXX | 0.93 | Marty Pattin | 49.3 | MIL |
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