| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 9.04 | 197209110_NYN_PHI |
| Gaylord Perry | CLE | 8.82 | 197209090_BOS_CLE |
| Wilbur Wood | CHA | 8.77 | 197209100_ANA_CHA |
| Jim Palmer | BAL | 7.83 | 197209100_MIL_BAL |
| 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 |
| Ken Brett | MIL | -1.64 | 197209092_MIL_BAL |
| Ron Reed | ATL | -1.61 | 197209101_ATL_SDN |
| Wayne Twitchell | PHI | -1.53 | 197209090_CHN_PHI |
Based on accumulated WAA for this season up to 1972-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.35 | Gaylord Perry | 297.7 | CLE |
| +005+ | 8.32 | Jim Palmer | 245.3 | BAL |
| +006+ | 8.14 | Steve Carlton | 302.3 | PHI |
| +008+ | 7.62 | Wilbur Wood | 336.3 | CHA |
| +012+ | 7.19 | Jim Hunter | 260.3 | OAK |
| +016+ | 6.46 | Steve Kline | 210.7 | NYA |
| +020+ | 5.15 | Don Sutton | 234.7 | LAN |
| +027+ | 4.69 | Mickey Lolich | 284.3 | DET |
| +028+ | 4.56 | Gary Nolan | 171 | CIN |
| +029+ | 4.55 | Roger Nelson | 145.3 | KCA |
| +030+ | 4.5 | Steve Blass | 223 | PIT |
| +036+ | 4.22 | Nolan Ryan | 231.3 | ANA |
| +038+ | 4.16 | Jon Matlack | 208.3 | NYN |
| +039+ | 4.13 | Joe Coleman | 241.7 | DET |
| +044+ | 3.91 | Pat Dobson | 245.3 | BAL |
| +047+ | 3.76 | Mike Cuellar | 218.7 | BAL |
| +050+ | 3.7 | Luis Tiant | 130.3 | BOS |
| +053+ | 3.56 | Bob Gibson | 232 | SLN |
| +054+ | 3.55 | Dick Tidrow | 209.7 | CLE |
| +055+ | 3.53 | Ken Holtzman | 234 | OAK |
| +056+ | 3.51 | Mike Paul | 137 | TEX |
| +059+ | 3.45 | Ray Corbin | 140.7 | MIN |
| +058+ | 3.45 | Dick Woodson | 216 | MIN |
| +062+ | 3.3 | Jim McAndrew | 135.7 | NYN |
| +066+ | 3.07 | Jim Kaat | 113.3 | MIN |
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