| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 20.67 | 197406221_CLE_BOS |
| Andy Messersmith | LAN | 6.23 | 197406210_SFN_LAN |
| Bill Lee | BOS | 2.64 | 197406221_CLE_BOS |
| Mike Cuellar | BAL | 2.62 | 197406210_BAL_MIL |
| Nolan Ryan | ANA | 2.53 | 197406220_ANA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -5.64 | 197406210_SDN_HOU |
| Reggie Cleveland | BOS | -3.77 | 197406222_CLE_BOS |
| Dick Tidrow | NYA | -2.11 | 197406220_DET_NYA |
| Woodie Fryman | DET | -1.42 | 197406220_DET_NYA |
| Rich Gossage | CHA | -1.36 | 197406232_CHA_MIN |
Based on accumulated WAA for this season up to 1974-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.11 | Gaylord Perry | 146.7 | CLE |
| +003+ | 4.54 | Andy Messersmith | 130 | LAN |
| +004+ | 4.48 | Larry Dierker | 101.7 | HOU |
| +006+ | 4.41 | Buzz Capra | 83.3 | ATL |
| +008+ | 3.91 | Jim Lonborg | 127.7 | PHI |
| +016+ | 3.04 | Paul Lindblad | 52 | OAK |
| +017+ | 2.92 | Tommy John | 123.3 | LAN |
| +023+ | 2.72 | Phil Niekro | 132.3 | ATL |
| +025+ | 2.64 | Carl Morton | 136.3 | ATL |
| +029+ | 2.59 | Fred Norman | 81.7 | CIN |
| +030+ | 2.58 | Jim Barr | 91.3 | SFN |
| +031+ | 2.57 | Sonny Siebert | 91.3 | SLN |
| +033+ | 2.48 | Jim Hunter | 137.7 | OAK |
| +034+ | 2.45 | Ken Brett | 103 | PIT |
| +037+ | 2.32 | Jim Perry | 108.3 | CLE |
| +038+ | 2.3 | Jon Matlack | 97 | NYN |
| +039+ | 2.27 | Steve Carlton | 133 | PHI |
| +041+ | 2.26 | Lynn McGlothen | 97.3 | SLN |
| +050+ | 2.01 | Jackie Brown | 84.7 | TEX |
| +058+ | 1.85 | Luis Tiant | 145.3 | BOS |
| +059+ | 1.82 | Bill Singer | 108.7 | ANA |
| +061+ | 1.77 | Mickey Lolich | 148.7 | DET |
| +063+ | 1.74 | Jim Rooker | 99.7 | PIT |
| +073+ | 1.45 | Bert Blyleven | 115.7 | MIN |
| +074+ | 1.44 | Ed Sprague | 48.3 | MIL |
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