| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 10 | 197209020_BAL_ANA |
| Steve Kline | NYA | 6.41 | 197209020_CHA_NYA |
| Don Sutton | LAN | 3.98 | 197209011_LAN_SLN |
| Gary Nolan | CIN | 3.4 | 197209020_WAS_CIN |
| Mickey Lolich | DET | 2.54 | 197209020_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -4.39 | 197209010_SDN_CHN |
| Dave Roberts | HOU | -3.78 | 197209010_NYN_HOU |
| Pete Broberg | TEX | -2.37 | 197209020_MIL_TEX |
| Al Santorini | SLN | -2.03 | 197209012_LAN_SLN |
| George Stone | ATL | -1.9 | 197209021_PHI_ATL |
Based on accumulated WAA for this season up to 1972-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.15 | Jim Palmer | 229.3 | BAL |
| +006+ | 7.67 | Gaylord Perry | 279.7 | CLE |
| +007+ | 7.63 | Steve Kline | 200.3 | NYA |
| +009+ | 7.33 | Steve Carlton | 275.3 | PHI |
| +011+ | 6.88 | Wilbur Wood | 309.3 | CHA |
| +013+ | 6.76 | Jim Hunter | 244.7 | OAK |
| +020+ | 4.95 | Don Sutton | 218.7 | LAN |
| +023+ | 4.85 | Mickey Lolich | 270.7 | DET |
| +025+ | 4.76 | Gary Nolan | 170 | CIN |
| +030+ | 4.43 | Nolan Ryan | 215.7 | ANA |
| +033+ | 4.14 | Roger Nelson | 127 | KCA |
| +036+ | 4.08 | Joe Coleman | 225.7 | DET |
| +037+ | 4.07 | Jon Matlack | 193.3 | NYN |
| +039+ | 3.96 | Johnny Odom | 155 | OAK |
| +040+ | 3.89 | Pat Dobson | 231.3 | BAL |
| +047+ | 3.66 | Dick Tidrow | 189.3 | CLE |
| +049+ | 3.59 | Dave McNally | 216.7 | BAL |
| +054+ | 3.34 | Steve Blass | 205 | PIT |
| +056+ | 3.31 | Mike Paul | 122 | TEX |
| +058+ | 3.16 | Jim Kaat | 113.3 | MIN |
| +062+ | 3 | Ken Holtzman | 220 | OAK |
| +064+ | 2.97 | Ray Corbin | 124.7 | MIN |
| +066+ | 2.92 | Bob Gibson | 216 | SLN |
| +069+ | 2.88 | Jim McAndrew | 128.3 | NYN |
| +070+ | 2.85 | Luis Tiant | 112.3 | BOS |
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