| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 9.06 | 197209130_CLE_MIL |
| Steve Carlton | PHI | 9.04 | 197209110_NYN_PHI |
| Wilbur Wood | CHA | 7.71 | 197209130_CHA_KCA |
| Jim Hunter | OAK | 6.75 | 197209120_OAK_MIN |
| Steve Kline | NYA | 5.21 | 197209110_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Morton | WAS | -2.13 | 197209130_SLN_WAS |
| Jerry Koosman | NYN | -1.76 | 197209110_NYN_PHI |
| Bill Gogolewski | TEX | -1.45 | 197209120_TEX_ANA |
| Bill Parsons | MIL | -1.3 | 197209121_CLE_MIL |
| Reggie Cleveland | SLN | -1.21 | 197209120_SLN_WAS |
Based on accumulated WAA for this season up to 1972-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.54 | Gaylord Perry | 304.7 | CLE |
| +005+ | 8.37 | Jim Palmer | 245.3 | BAL |
| +007+ | 8.17 | Steve Carlton | 302.3 | PHI |
| +009+ | 7.31 | Wilbur Wood | 342.7 | CHA |
| +014+ | 6.88 | Jim Hunter | 264.3 | OAK |
| +016+ | 6.48 | Steve Kline | 210.7 | NYA |
| +020+ | 5.17 | Don Sutton | 234.7 | LAN |
| +027+ | 4.71 | Mickey Lolich | 284.3 | DET |
| +030+ | 4.57 | Gary Nolan | 171 | CIN |
| +031+ | 4.57 | Roger Nelson | 145.3 | KCA |
| +033+ | 4.52 | Nolan Ryan | 240.3 | ANA |
| +032+ | 4.52 | Steve Blass | 223 | PIT |
| +044+ | 4 | Pat Dobson | 251.3 | BAL |
| +047+ | 3.8 | Mike Cuellar | 218.7 | BAL |
| +051+ | 3.7 | Joe Coleman | 246.7 | DET |
| +052+ | 3.68 | Johnny Odom | 174.3 | OAK |
| +053+ | 3.61 | Dick Tidrow | 209.7 | CLE |
| +054+ | 3.59 | Jon Matlack | 211.7 | NYN |
| +055+ | 3.57 | Bob Gibson | 232 | SLN |
| +056+ | 3.55 | Ken Holtzman | 234 | OAK |
| +057+ | 3.53 | Mike Paul | 137 | TEX |
| +058+ | 3.5 | Luis Tiant | 135.7 | BOS |
| +059+ | 3.48 | Dick Woodson | 216 | MIN |
| +062+ | 3.31 | Jim McAndrew | 144 | NYN |
| +066+ | 3.08 | Jim Kaat | 113.3 | MIN |
_