| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 13.2 | 197207140_CLE_TEX |
| Jim Palmer | BAL | 9.62 | 197207160_CHA_BAL |
| Wilbur Wood | CHA | 6.61 | 197207160_CHA_BAL |
| Jim Hunter | OAK | 4.29 | 197207141_OAK_NYA |
| Mel Stottlemyre | NYA | 4.02 | 197207160_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Parsons | MIL | -2.9 | 197207162_ANA_MIL |
| George Stone | ATL | -1.48 | 197207160_ATL_CHN |
| Woodie Fryman | PHI | -1.41 | 197207160_PHI_SFN |
| Pete Broberg | TEX | -1.17 | 197207160_CLE_TEX |
| Al Santorini | SLN | -1.07 | 197207150_CIN_SLN |
Based on accumulated WAA for this season up to 1972-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.05 | Gaylord Perry | 195.7 | CLE |
| +003+ | 5.17 | Jim Palmer | 147.7 | BAL |
| +009+ | 4.57 | Gary Nolan | 138.3 | CIN |
| +012+ | 4.34 | Don Sutton | 147 | LAN |
| +013+ | 4.31 | Jim Hunter | 164.3 | OAK |
| +016+ | 4.19 | Joe Coleman | 156 | DET |
| +019+ | 3.8 | Pat Dobson | 151.7 | BAL |
| +020+ | 3.76 | Wilbur Wood | 204.3 | CHA |
| +027+ | 3.25 | Mickey Lolich | 181.7 | DET |
| +029+ | 3.12 | Jim Kaat | 113.3 | MIN |
| +031+ | 3.1 | Dick Drago | 155 | KCA |
| +037+ | 2.82 | Steve Carlton | 176.3 | PHI |
| +038+ | 2.75 | Steve Kline | 110 | NYA |
| +041+ | 2.66 | Dave McNally | 134.3 | BAL |
| +046+ | 2.5 | Johnny Odom | 88 | OAK |
| +051+ | 2.39 | Ken Holtzman | 158.3 | OAK |
| +050+ | 2.39 | Claude Osteen | 124.3 | LAN |
| +056+ | 2.23 | Mike Paul | 67.7 | TEX |
| +060+ | 2.18 | Nolan Ryan | 133.3 | ANA |
| +061+ | 2.09 | Mike Kekich | 123 | NYA |
| +062+ | 2.08 | Jon Matlack | 115.7 | NYN |
| +063+ | 2.07 | Mike Cuellar | 121.3 | BAL |
| +064+ | 2.03 | Bob Gibson | 133.7 | SLN |
| +065+ | 2.03 | Clyde Wright | 126 | ANA |
| +066+ | 1.99 | Ray Corbin | 62.3 | MIN |
_