| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 9.04 | 197209110_NYN_PHI |
| Wilbur Wood | CHA | 8.77 | 197209100_ANA_CHA |
| Jim Palmer | BAL | 7.83 | 197209100_MIL_BAL |
| Jim Hunter | OAK | 6.75 | 197209120_OAK_MIN |
| Steve Kline | NYA | 5.21 | 197209110_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Roberts | HOU | -3.76 | 197209100_HOU_LAN |
| Jerry Koosman | NYN | -1.76 | 197209110_NYN_PHI |
| Ron Reed | ATL | -1.61 | 197209101_ATL_SDN |
| Ernie McAnally | WAS | -1.56 | 197209120_SLN_WAS |
| Bill Gogolewski | TEX | -1.45 | 197209120_TEX_ANA |
Based on accumulated WAA for this season up to 1972-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.37 | Gaylord Perry | 297.7 | CLE |
| +005+ | 8.32 | Jim Palmer | 245.3 | BAL |
| +006+ | 8.13 | Steve Carlton | 302.3 | PHI |
| +009+ | 7.6 | Wilbur Wood | 336.3 | CHA |
| +015+ | 6.85 | Jim Hunter | 264.3 | OAK |
| +016+ | 6.45 | Steve Kline | 210.7 | NYA |
| +020+ | 5.13 | Don Sutton | 234.7 | LAN |
| +026+ | 4.68 | Mickey Lolich | 284.3 | DET |
| +029+ | 4.56 | Gary Nolan | 171 | CIN |
| +030+ | 4.55 | Roger Nelson | 145.3 | KCA |
| +031+ | 4.49 | Steve Blass | 223 | PIT |
| +032+ | 4.49 | Nolan Ryan | 240.3 | ANA |
| +038+ | 4.15 | Jon Matlack | 208.3 | NYN |
| +041+ | 4.12 | Joe Coleman | 241.7 | DET |
| +043+ | 3.96 | Pat Dobson | 251.3 | BAL |
| +050+ | 3.76 | Mike Cuellar | 218.7 | BAL |
| +053+ | 3.57 | Bob Gibson | 232 | SLN |
| +054+ | 3.56 | Dick Tidrow | 209.7 | CLE |
| +056+ | 3.52 | Ken Holtzman | 234 | OAK |
| +057+ | 3.5 | Mike Paul | 137 | TEX |
| +058+ | 3.48 | Luis Tiant | 135.7 | BOS |
| +059+ | 3.44 | Dick Woodson | 216 | MIN |
| +061+ | 3.29 | Jim McAndrew | 144 | NYN |
| +065+ | 3.07 | Jim Kaat | 113.3 | MIN |
| +068+ | 2.98 | Johnny Odom | 165.3 | OAK |
_