| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 9.28 | 197209060_DET_BAL |
| Gaylord Perry | CLE | 8.28 | 197209040_CLE_DET |
| Don Sutton | LAN | 3.11 | 197209050_CIN_LAN |
| Mickey Lolich | DET | 2.96 | 197209060_DET_BAL |
| Jon Matlack | NYN | 2.27 | 197209041_CHN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -5.46 | 197209060_SFN_SDN |
| Dave Roberts | HOU | -2.82 | 197209050_ATL_HOU |
| Ken Brett | MIL | -2.06 | 197209042_BOS_MIL |
| Carl Morton | WAS | -1.52 | 197209041_WAS_SLN |
| Bill Gogolewski | TEX | -1.48 | 197209060_MIN_TEX |
Based on accumulated WAA for this season up to 1972-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.98 | Steve Carlton | 284.3 | PHI |
| +004+ | 7.82 | Gaylord Perry | 287.7 | CLE |
| +005+ | 7.77 | Jim Palmer | 236.3 | BAL |
| +006+ | 7.6 | Steve Kline | 200.3 | NYA |
| +009+ | 7.48 | Wilbur Wood | 318.3 | CHA |
| +011+ | 7.17 | Jim Hunter | 253.7 | OAK |
| +024+ | 4.85 | Nolan Ryan | 224.7 | ANA |
| +026+ | 4.74 | Don Sutton | 227.7 | LAN |
| +025+ | 4.74 | Gary Nolan | 170 | CIN |
| +028+ | 4.59 | Mickey Lolich | 276.3 | DET |
| +034+ | 4.32 | Dick Tidrow | 198.3 | CLE |
| +035+ | 4.3 | Joe Coleman | 234.7 | DET |
| +037+ | 4.21 | Jon Matlack | 201.3 | NYN |
| +038+ | 4.17 | Roger Nelson | 133.3 | KCA |
| +041+ | 3.96 | Steve Blass | 214 | PIT |
| +043+ | 3.94 | Pat Dobson | 238.3 | BAL |
| +047+ | 3.76 | Mike Paul | 131 | TEX |
| +050+ | 3.63 | Ray Corbin | 133.7 | MIN |
| +052+ | 3.56 | Johnny Odom | 164 | OAK |
| +053+ | 3.52 | Luis Tiant | 121.3 | BOS |
| +055+ | 3.47 | Dick Woodson | 209 | MIN |
| +056+ | 3.42 | Ken Holtzman | 229 | OAK |
| +057+ | 3.41 | Jim McAndrew | 135.7 | NYN |
| +060+ | 3.36 | Bob Gibson | 225 | SLN |
| +064+ | 3.14 | Jim Kaat | 113.3 | MIN |
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