| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 12.3 | 197206300_CLE_NYA |
| Jim Palmer | BAL | 11.95 | 197206290_BAL_NYA |
| Wilbur Wood | CHA | 8.09 | 197206291_OAK_CHA |
| Joe Coleman | DET | 5.26 | 197206280_DET_BOS |
| Clyde Wright | ANA | 4.27 | 197206280_ANA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Champion | PHI | -2.71 | 197206300_SLN_PHI |
| Don Carrithers | SFN | -1.92 | 197206280_CIN_SFN |
| Jerry Reuss | HOU | -1.6 | 197206280_HOU_LAN |
| Ron Reed | ATL | -1.34 | 197206300_ATL_HOU |
| Jack Billingham | CIN | -1.08 | 197206290_CIN_SFN |
Based on accumulated WAA for this season up to 1972-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.4 | Gaylord Perry | 164.7 | CLE |
| +003+ | 4.62 | Don Sutton | 116.3 | LAN |
| +004+ | 4.51 | Wilbur Wood | 170 | CHA |
| +006+ | 4.04 | Joe Coleman | 128 | DET |
| +009+ | 3.85 | Jim Palmer | 120 | BAL |
| +013+ | 3.63 | Pat Dobson | 130.7 | BAL |
| +016+ | 3.5 | Gary Nolan | 116.7 | CIN |
| +019+ | 3.17 | Mickey Lolich | 149.3 | DET |
| +025+ | 2.89 | Steve Kline | 87.7 | NYA |
| +026+ | 2.86 | Jim Kaat | 105.7 | MIN |
| +027+ | 2.81 | Jim Hunter | 137.3 | OAK |
| +029+ | 2.67 | Earl Stephenson | 40.7 | MIL |
| +031+ | 2.6 | Scipio Spinks | 116 | SLN |
| +035+ | 2.5 | Tom Timmermann | 102.7 | DET |
| +038+ | 2.45 | Ken Holtzman | 135.3 | OAK |
| +043+ | 2.36 | Dick Drago | 124 | KCA |
| +050+ | 2.07 | Clyde Wright | 98.7 | ANA |
| +053+ | 2.02 | Steve Carlton | 144.3 | PHI |
| +054+ | 2 | Paul Splittorff | 105.7 | KCA |
| +060+ | 1.9 | Al Downing | 94.3 | LAN |
| +061+ | 1.89 | Ray Corbin | 45 | MIN |
| +062+ | 1.89 | Dave Hamilton | 41.7 | OAK |
| +063+ | 1.88 | Claude Osteen | 102.3 | LAN |
| +068+ | 1.75 | Ross Grimsley | 71 | CIN |
| +070+ | 1.74 | Burt Hooton | 113.7 | CHN |
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