| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 10.03 | 197206010_DET_CLE |
| Mel Stottlemyre | NYA | 5.72 | 197205310_NYA_MIL |
| Dave McNally | BAL | 4.42 | 197206010_BOS_BAL |
| Ferguson Jenkins | CHN | 3.99 | 197205310_SLN_CHN |
| Bert Blyleven | MIN | 3.92 | 197205310_KCA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | HOU | -2.59 | 197206010_CIN_HOU |
| Ron Reed | ATL | -2.55 | 197205310_SDN_ATL |
| Ernie McAnally | WAS | -2.15 | 197205310_PIT_WAS |
| Jack Billingham | CIN | -1.68 | 197205300_CIN_HOU |
| Ron Bryant | SFN | -1.39 | 197205310_LAN_SFN |
Based on accumulated WAA for this season up to 1972-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.58 | Gaylord Perry | 103 | CLE |
| +002+ | 3.44 | Don Sutton | 77.7 | LAN |
| +003+ | 3.12 | Mickey Lolich | 92.3 | DET |
| +004+ | 3.11 | Wilbur Wood | 98.7 | CHA |
| +007+ | 2.84 | Claude Osteen | 66.7 | LAN |
| +012+ | 2.64 | Steve Stone | 67.7 | SFN |
| +013+ | 2.63 | Jim Kaat | 57 | MIN |
| +018+ | 2.21 | Milt Wilcox | 65.3 | CLE |
| +020+ | 2.19 | Joe Coleman | 80.3 | DET |
| +022+ | 2.03 | Jim Palmer | 65.7 | BAL |
| +025+ | 1.9 | Mel Stottlemyre | 76.3 | NYA |
| +029+ | 1.85 | Jon Matlack | 64.7 | NYN |
| +031+ | 1.78 | Steve Arlin | 74 | SDN |
| +034+ | 1.63 | Tom Timmermann | 56.7 | DET |
| +037+ | 1.61 | Ken Holtzman | 84 | OAK |
| +038+ | 1.61 | Dick Drago | 72 | KCA |
| +039+ | 1.6 | Gary Nolan | 77 | CIN |
| +044+ | 1.54 | Fred Norman | 68 | SDN |
| +049+ | 1.45 | Pat Dobson | 71.7 | BAL |
| +050+ | 1.44 | Steve Kline | 51.3 | NYA |
| +051+ | 1.41 | Jim Hunter | 87 | OAK |
| +056+ | 1.35 | Tom Griffin | 21 | HOU |
| +057+ | 1.33 | Jim Lonborg | 44.3 | MIL |
| +064+ | 1.27 | Ferguson Jenkins | 92.3 | CHN |
| +065+ | 1.26 | Bert Blyleven | 84.7 | MIN |
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