| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 9.99 | 197209240_PHI_NYN |
| Gaylord Perry | CLE | 9.42 | 197209220_NYA_CLE |
| Jim Palmer | BAL | 7.6 | 197209240_BAL_MIL |
| Jim Hunter | OAK | 6.72 | 197209230_KCA_OAK |
| Wilbur Wood | CHA | 6.13 | 197209240_TEX_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Morton | WAS | -1.93 | 197209240_WAS_PIT |
| Jim Nash | PHI | -1.75 | 197209230_PHI_NYN |
| Reggie Cleveland | SLN | -1.59 | 197209232_CHN_SLN |
| Mike McQueen | ATL | -1.23 | 197209240_SDN_ATL |
| Steve Arlin | SDN | -1.05 | 197209230_SDN_ATL |
Based on accumulated WAA for this season up to 1972-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.54 | Steve Carlton | 328.3 | PHI |
| +004+ | 9.46 | Gaylord Perry | 322.7 | CLE |
| +008+ | 8.03 | Jim Palmer | 264.3 | BAL |
| +010+ | 7.62 | Jim Hunter | 280.3 | OAK |
| +015+ | 6.71 | Don Sutton | 254.7 | LAN |
| +017+ | 6.51 | Wilbur Wood | 360.7 | CHA |
| +021+ | 5.66 | Steve Kline | 221 | NYA |
| +023+ | 5.45 | Mickey Lolich | 306.3 | DET |
| +024+ | 5.41 | Nolan Ryan | 257.3 | ANA |
| +027+ | 5.16 | Luis Tiant | 162.7 | BOS |
| +032+ | 5 | Jon Matlack | 229.7 | NYN |
| +034+ | 4.87 | Bob Gibson | 260 | SLN |
| +037+ | 4.66 | Steve Blass | 238 | PIT |
| +038+ | 4.62 | Gary Nolan | 171 | CIN |
| +044+ | 4.28 | Pat Dobson | 259.3 | BAL |
| +047+ | 4.11 | Joe Coleman | 264.7 | DET |
| +053+ | 3.91 | Roger Nelson | 155.3 | KCA |
| +054+ | 3.82 | Mike Cuellar | 234.3 | BAL |
| +056+ | 3.66 | Dick Woodson | 237.7 | MIN |
| +057+ | 3.64 | Mike Paul | 148.3 | TEX |
| +062+ | 3.54 | Ken Holtzman | 248.3 | OAK |
| +064+ | 3.42 | Johnny Odom | 185.3 | OAK |
| +069+ | 3.09 | Jim Kaat | 113.3 | MIN |
| +072+ | 3.04 | Claude Osteen | 225.7 | LAN |
| +074+ | 2.95 | Dick Tidrow | 220.7 | CLE |
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