| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 13.61 | 197208180_OAK_CLE |
| Wilbur Wood | CHA | 9.23 | 197208160_MIL_CHA |
| Steve Carlton | PHI | 7.15 | 197208170_CIN_PHI |
| Jim Hunter | OAK | 5.01 | 197208160_OAK_BAL |
| Don Sutton | LAN | 4.68 | 197208160_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -3.51 | 197208180_PIT_SDN |
| Don Carrithers | SFN | -3.14 | 197208160_CHN_SFN |
| Dave Roberts | HOU | -3.11 | 197208180_HOU_PHI |
| Denny McLain | ATL | -2.79 | 197208180_ATL_WAS |
| Carl Morton | WAS | -1.32 | 197208180_ATL_WAS |
Based on accumulated WAA for this season up to 1972-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.1 | Gaylord Perry | 261.3 | CLE |
| +006+ | 6.92 | Steve Carlton | 250.3 | PHI |
| +007+ | 6.87 | Steve Kline | 168 | NYA |
| +012+ | 6.14 | Wilbur Wood | 279.3 | CHA |
| +013+ | 6.05 | Jim Palmer | 195.3 | BAL |
| +014+ | 6.04 | Jim Hunter | 220 | OAK |
| +017+ | 5.45 | Mickey Lolich | 245.7 | DET |
| +019+ | 5.09 | Don Sutton | 193.7 | LAN |
| +023+ | 4.36 | Gary Nolan | 157 | CIN |
| +028+ | 4.23 | Jon Matlack | 172.3 | NYN |
| +037+ | 3.63 | Ken Holtzman | 204.7 | OAK |
| +040+ | 3.58 | Joe Coleman | 200 | DET |
| +041+ | 3.57 | Roger Nelson | 109 | KCA |
| +049+ | 3.22 | Johnny Odom | 135 | OAK |
| +048+ | 3.22 | Pat Dobson | 207.7 | BAL |
| +050+ | 3.19 | Dick Woodson | 180.3 | MIN |
| +051+ | 3.14 | Jim Kaat | 113.3 | MIN |
| +055+ | 3.01 | Mike Cuellar | 175 | BAL |
| +057+ | 2.95 | Claude Osteen | 168.3 | LAN |
| +059+ | 2.83 | Mike Paul | 108.3 | TEX |
| +061+ | 2.71 | Steve Blass | 186.3 | PIT |
| +062+ | 2.62 | Dave McNally | 191.7 | BAL |
| +074+ | 2.34 | Ferguson Jenkins | 240.7 | CHN |
| +075+ | 2.29 | Burt Hooton | 166.3 | CHN |
| +076+ | 2.28 | Ron Bryant | 155 | SFN |
_