| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 9.28 | 197209060_DET_BAL |
| Wilbur Wood | CHA | 8.02 | 197209070_OAK_CHA |
| Steve Carlton | PHI | 8.02 | 197209070_SLN_PHI |
| Steve Kline | NYA | 7.28 | 197209070_NYA_BOS |
| Don Sutton | LAN | 3.11 | 197209050_CIN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -5.46 | 197209060_SFN_SDN |
| Sam McDowell | SFN | -3.06 | 197209070_HOU_SFN |
| Dave Roberts | HOU | -2.82 | 197209050_ATL_HOU |
| Al Santorini | SLN | -1.72 | 197209070_SLN_PHI |
| Bill Parsons | MIL | -1.61 | 197209070_MIL_CLE |
Based on accumulated WAA for this season up to 1972-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.43 | Steve Carlton | 293.3 | PHI |
| +004+ | 8.14 | Wilbur Wood | 327.3 | CHA |
| +006+ | 7.8 | Gaylord Perry | 287.7 | CLE |
| +007+ | 7.75 | Jim Palmer | 236.3 | BAL |
| +010+ | 7.17 | Jim Hunter | 253.7 | OAK |
| +016+ | 6.53 | Steve Kline | 205.7 | NYA |
| +023+ | 4.84 | Nolan Ryan | 224.7 | ANA |
| +025+ | 4.72 | Don Sutton | 227.7 | LAN |
| +027+ | 4.62 | Gary Nolan | 171 | CIN |
| +028+ | 4.58 | Mickey Lolich | 276.3 | DET |
| +033+ | 4.3 | Joe Coleman | 234.7 | DET |
| +034+ | 4.28 | Dick Tidrow | 206.3 | CLE |
| +037+ | 4.19 | Jon Matlack | 201.3 | NYN |
| +038+ | 4.16 | Roger Nelson | 133.3 | KCA |
| +041+ | 3.94 | Steve Blass | 214 | PIT |
| +044+ | 3.91 | Pat Dobson | 238.3 | BAL |
| +047+ | 3.74 | Mike Paul | 131 | TEX |
| +049+ | 3.64 | Mike Cuellar | 210.3 | BAL |
| +050+ | 3.62 | Ray Corbin | 133.7 | MIN |
| +054+ | 3.55 | Johnny Odom | 164 | OAK |
| +055+ | 3.51 | Luis Tiant | 121.3 | BOS |
| +057+ | 3.45 | Dick Woodson | 209 | MIN |
| +059+ | 3.42 | Ken Holtzman | 229 | OAK |
| +061+ | 3.4 | Jim McAndrew | 135.7 | NYN |
| +064+ | 3.35 | Bob Gibson | 225 | SLN |
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