| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 11.67 | 197208260_CLE_ANA |
| Steve Kline | NYA | 8.18 | 197208251_KCA_NYA |
| Wilbur Wood | CHA | 7.78 | 197208270_CHA_MIL |
| Steve Carlton | PHI | 7.56 | 197208260_PHI_CIN |
| Jim Hunter | OAK | 6.27 | 197208250_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Stone | ATL | -2.67 | 197208250_NYN_ATL |
| Jerry Reuss | HOU | -2.21 | 197208260_WAS_HOU |
| Al Santorini | SLN | -1.91 | 197208252_SDN_SLN |
| Bill Gogolewski | TEX | -1.9 | 197208260_TEX_BOS |
| Bill Parsons | MIL | -1.71 | 197208270_CHA_MIL |
Based on accumulated WAA for this season up to 1972-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.49 | Steve Kline | 184.3 | NYA |
| +006+ | 7.45 | Gaylord Perry | 271.7 | CLE |
| +007+ | 7.43 | Steve Carlton | 269.3 | PHI |
| +008+ | 7.32 | Jim Palmer | 213.3 | BAL |
| +012+ | 6.91 | Wilbur Wood | 302.3 | CHA |
| +014+ | 6.17 | Jim Hunter | 236.3 | OAK |
| +018+ | 5.18 | Don Sutton | 210.7 | LAN |
| +024+ | 4.45 | Gary Nolan | 157 | CIN |
| +026+ | 4.42 | Jon Matlack | 187.3 | NYN |
| +027+ | 4.38 | Mickey Lolich | 256.7 | DET |
| +030+ | 4.27 | Roger Nelson | 118 | KCA |
| +031+ | 4.24 | Joe Coleman | 219.7 | DET |
| +032+ | 4.21 | Pat Dobson | 224.7 | BAL |
| +039+ | 3.76 | Nolan Ryan | 206.7 | ANA |
| +048+ | 3.48 | Mike Paul | 116 | TEX |
| +049+ | 3.43 | Johnny Odom | 147.7 | OAK |
| +054+ | 3.31 | Dave McNally | 207.7 | BAL |
| +052+ | 3.31 | Dick Tidrow | 182.3 | CLE |
| +056+ | 3.19 | Steve Blass | 197.3 | PIT |
| +057+ | 3.17 | Jim Kaat | 113.3 | MIN |
| +061+ | 3.06 | Dick Woodson | 186.3 | MIN |
| +062+ | 2.99 | Ray Corbin | 124.7 | MIN |
| +065+ | 2.88 | Bob Gibson | 207 | SLN |
| +066+ | 2.87 | Ken Holtzman | 215 | OAK |
| +069+ | 2.78 | Tommy John | 160 | LAN |
_