| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 10.33 | 197209280_PIT_PHI |
| Gaylord Perry | CLE | 9.37 | 197209270_CLE_BAL |
| Jim Palmer | BAL | 7.2 | 197209290_BOS_BAL |
| Jim Hunter | OAK | 6.98 | 197209272_MIN_OAK |
| Wilbur Wood | CHA | 5.09 | 197209270_KCA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Brett | MIL | -2 | 197209270_MIL_BOS |
| Steve Renko | WAS | -1.34 | 197209270_CHN_WAS |
| Al Santorini | SLN | -1.07 | 197209270_NYN_SLN |
| Ken Forsch | HOU | -0.88 | 197209290_HOU_SDN |
| Ken Reynolds | PHI | -0.83 | 197209270_PIT_PHI |
Based on accumulated WAA for this season up to 1972-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.17 | Steve Carlton | 337.3 | PHI |
| +003+ | 10.08 | Gaylord Perry | 331.7 | CLE |
| +008+ | 8.09 | Jim Hunter | 290.3 | OAK |
| +009+ | 7.89 | Jim Palmer | 274.3 | BAL |
| +014+ | 7.36 | Don Sutton | 263.7 | LAN |
| +018+ | 6.21 | Wilbur Wood | 368.7 | CHA |
| +020+ | 6.05 | Nolan Ryan | 266.3 | ANA |
| +023+ | 5.68 | Luis Tiant | 172.7 | BOS |
| +024+ | 5.62 | Mickey Lolich | 318.3 | DET |
| +027+ | 5.31 | Steve Kline | 228.3 | NYA |
| +028+ | 5.3 | Bob Gibson | 269 | SLN |
| +033+ | 5.11 | Steve Blass | 247 | PIT |
| +034+ | 4.97 | Jon Matlack | 229.7 | NYN |
| +040+ | 4.59 | Gary Nolan | 171 | CIN |
| +046+ | 4.16 | Pat Dobson | 261.3 | BAL |
| +047+ | 4.15 | Roger Nelson | 164.3 | KCA |
| +050+ | 4.07 | Ken Holtzman | 256.3 | OAK |
| +053+ | 4.02 | Mike Paul | 156.3 | TEX |
| +058+ | 3.72 | Mike Cuellar | 239.3 | BAL |
| +062+ | 3.48 | Joe Coleman | 266 | DET |
| +067+ | 3.26 | Dick Woodson | 244 | MIN |
| +070+ | 3.15 | Dick Tidrow | 229.3 | CLE |
| +072+ | 3.08 | Jim Kaat | 113.3 | MIN |
| +073+ | 3.03 | Don Wilson | 220.3 | HOU |
| +074+ | 3 | Bert Blyleven | 274 | MIN |
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