| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 11.03 | 197210011_CLE_NYA |
| Wilbur Wood | CHA | 4.44 | 197210010_CHA_TEX |
| Nolan Ryan | ANA | 3.81 | 197209300_MIN_ANA |
| Mickey Lolich | DET | 3.13 | 197210020_BOS_DET |
| Steve Kline | NYA | 2.88 | 197210020_MIL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Stone | ATL | -3.47 | 197210010_ATL_SFN |
| Ken Brett | MIL | -2.65 | 197210020_MIL_NYA |
| Sam McDowell | SFN | -2.47 | 197210010_ATL_SFN |
| Jim Nash | PHI | -1.88 | 197209302_PHI_WAS |
| Jerry Reuss | HOU | -1.82 | 197209300_HOU_SDN |
Based on accumulated WAA for this season up to 1972-10-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.64 | Gaylord Perry | 342.7 | CLE |
| +003+ | 10.19 | Steve Carlton | 337.3 | PHI |
| +008+ | 8.06 | Jim Hunter | 290.3 | OAK |
| +010+ | 7.85 | Jim Palmer | 274.3 | BAL |
| +013+ | 7.34 | Don Sutton | 263.7 | LAN |
| +016+ | 6.59 | Wilbur Wood | 376.7 | CHA |
| +019+ | 6.29 | Nolan Ryan | 275.3 | ANA |
| +021+ | 6.07 | Mickey Lolich | 327.3 | DET |
| +024+ | 5.68 | Luis Tiant | 172.7 | BOS |
| +030+ | 5.18 | Bob Gibson | 269 | SLN |
| +032+ | 5.03 | Steve Kline | 236.3 | NYA |
| +037+ | 4.8 | Jon Matlack | 235.7 | NYN |
| +040+ | 4.57 | Gary Nolan | 171 | CIN |
| +041+ | 4.5 | Steve Blass | 247.7 | PIT |
| +044+ | 4.36 | Ken Holtzman | 263.3 | OAK |
| +046+ | 4.24 | Pat Dobson | 268.3 | BAL |
| +049+ | 4.18 | Mike Cuellar | 248.3 | BAL |
| +050+ | 4.13 | Roger Nelson | 164.3 | KCA |
| +054+ | 4 | Mike Paul | 156.3 | TEX |
| +061+ | 3.65 | Joe Coleman | 274 | DET |
| +067+ | 3.33 | Bert Blyleven | 281.3 | MIN |
| +071+ | 3.1 | Dick Tidrow | 229.3 | CLE |
| +073+ | 3.07 | Jim Kaat | 113.3 | MIN |
| +074+ | 3.04 | Claude Osteen | 243 | LAN |
| +075+ | 2.99 | Dick Woodson | 251.7 | MIN |
_