| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 16.72 | 197207280_CLE_BAL |
| Jim Palmer | BAL | 9.03 | 197207290_CLE_BAL |
| Gary Nolan | CIN | 5.61 | 197207290_SDN_CIN |
| Wilbur Wood | CHA | 5.55 | 197207300_CHA_MIN |
| Don Sutton | LAN | 5.27 | 197207290_LAN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -3.42 | 197207302_SDN_HOU |
| Woodie Fryman | PHI | -2.2 | 197207291_PIT_PHI |
| Jerry Reuss | HOU | -1.78 | 197207290_LAN_HOU |
| George Stone | ATL | -1.36 | 197207302_LAN_ATL |
| Carl Morton | WAS | -1.33 | 197207300_WAS_NYN |
Based on accumulated WAA for this season up to 1972-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.22 | Gaylord Perry | 223.3 | CLE |
| +007+ | 5.23 | Gary Nolan | 152.3 | CIN |
| +008+ | 5.2 | Don Sutton | 162 | LAN |
| +012+ | 4.95 | Jim Palmer | 164.3 | BAL |
| +011+ | 4.95 | Jim Hunter | 188.7 | OAK |
| +013+ | 4.74 | Joe Coleman | 181 | DET |
| +014+ | 4.7 | Wilbur Wood | 235 | CHA |
| +018+ | 4.62 | Mickey Lolich | 206.7 | DET |
| +020+ | 4.51 | Steve Carlton | 205.3 | PHI |
| +021+ | 4.39 | Steve Kline | 135 | NYA |
| +025+ | 3.89 | Jon Matlack | 142.7 | NYN |
| +037+ | 3.32 | Pat Dobson | 173.3 | BAL |
| +038+ | 3.28 | Claude Osteen | 142.3 | LAN |
| +040+ | 3.12 | Jim Kaat | 113.3 | MIN |
| +050+ | 2.76 | Bob Gibson | 159.7 | SLN |
| +051+ | 2.75 | Dave McNally | 160.3 | BAL |
| +054+ | 2.66 | Mike Cuellar | 145.3 | BAL |
| +057+ | 2.55 | Ken Holtzman | 176.3 | OAK |
| +058+ | 2.54 | Ron Bryant | 152 | SFN |
| +062+ | 2.39 | Ross Grimsley | 117 | CIN |
| +066+ | 2.23 | Mike Paul | 79.7 | TEX |
| +067+ | 2.18 | Johnny Odom | 110 | OAK |
| +068+ | 2.16 | Bill Slayback | 60.7 | DET |
| +071+ | 2.13 | Mel Stottlemyre | 165.3 | NYA |
| +075+ | 2.06 | Burt Hooton | 145.7 | CHN |
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