| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 10.33 | 197209280_PIT_PHI |
| Jim Palmer | BAL | 7.2 | 197209290_BOS_BAL |
| Nolan Ryan | ANA | 3.81 | 197209300_MIN_ANA |
| Mickey Lolich | DET | 3.18 | 197209280_NYA_DET |
| Luis Tiant | BOS | 2.86 | 197209290_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Nash | PHI | -1.88 | 197209302_PHI_WAS |
| Jerry Reuss | HOU | -1.82 | 197209300_HOU_SDN |
| Wayne Simpson | CIN | -1.36 | 197209300_LAN_CIN |
| Bill Gogolewski | TEX | -1.23 | 197209300_CHA_TEX |
| Mike McQueen | ATL | -1.03 | 197209300_ATL_SFN |
Based on accumulated WAA for this season up to 1972-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.2 | Steve Carlton | 337.3 | PHI |
| +003+ | 10.09 | Gaylord Perry | 331.7 | CLE |
| +008+ | 8.1 | Jim Hunter | 290.3 | OAK |
| +009+ | 7.89 | Jim Palmer | 274.3 | BAL |
| +014+ | 7.36 | Don Sutton | 263.7 | LAN |
| +017+ | 6.33 | Nolan Ryan | 275.3 | ANA |
| +018+ | 6.22 | Wilbur Wood | 368.7 | CHA |
| +023+ | 5.68 | Luis Tiant | 172.7 | BOS |
| +024+ | 5.63 | Mickey Lolich | 318.3 | DET |
| +026+ | 5.32 | Steve Kline | 228.3 | NYA |
| +030+ | 5.2 | Bob Gibson | 269 | SLN |
| +032+ | 5.12 | Steve Blass | 247 | PIT |
| +038+ | 4.82 | Jon Matlack | 235.7 | NYN |
| +040+ | 4.59 | Gary Nolan | 171 | CIN |
| +044+ | 4.28 | Pat Dobson | 268.3 | BAL |
| +048+ | 4.16 | Roger Nelson | 164.3 | KCA |
| +052+ | 4.08 | Ken Holtzman | 256.3 | OAK |
| +053+ | 4.02 | Mike Paul | 156.3 | TEX |
| +058+ | 3.73 | Mike Cuellar | 239.3 | BAL |
| +061+ | 3.69 | Joe Coleman | 274 | DET |
| +067+ | 3.28 | Dick Woodson | 244 | MIN |
| +070+ | 3.15 | Dick Tidrow | 229.3 | CLE |
| +072+ | 3.09 | Jim Kaat | 113.3 | MIN |
| +074+ | 3.06 | Claude Osteen | 243 | LAN |
| +075+ | 3.03 | Bert Blyleven | 274 | MIN |
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