| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Gross | LAN | -4.26 | 199104180_LAN_SDN |
| Melido Perez | CHA | -3.57 | 199104160_CHA_NYA |
| Jim Abbott | ANA | -2.25 | 199104170_OAK_ANA |
| Storm Davis | KCA | -2.08 | 199104170_KCA_BOS |
| Jamie Moyer | SLN | -2.05 | 199104170_SLN_WAS |
Based on accumulated WAA for this season up to 1991-04-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.92 | Roger Clemens | 25 | BOS |
| +003+ | 1.33 | Mike Boddicker | 17 | KCA |
| +004+ | 1.31 | John Smiley | 17 | PIT |
| XXXXX | 1.2 | Charles Nagy | 16.3 | CLE |
| XXXXX | 1.08 | Tom Candiotti | 15 | CLE |
| XXXXX | 1.04 | Tim Belcher | 14 | LAN |
| XXXXX | 0.98 | Bobby Witt | 16 | TEX |
| XXXXX | 0.89 | Brian Holman | 15 | SEA |
| XXXXX | 0.87 | Bill Sampen | 12 | WAS |
| XXXXX | 0.86 | Jimmy Key | 15 | TOR |
| XXXXX | 0.86 | Frank Viola | 15 | NYN |
| XXXXX | 0.83 | Greg Maddux | 15 | CHN |
| XXXXX | 0.81 | Kevin Tapani | 16 | MIN |
| XXXXX | 0.77 | Norm Charlton | 16.3 | CIN |
| XXXXX | 0.77 | Matt Young | 14 | BOS |
| XXXXX | 0.66 | Chris Bosio | 15 | MIL |
| XXXXX | 0.66 | Dennis Martinez | 12 | WAS |
| XXXXX | 0.64 | Mike Moore | 12.3 | OAK |
| XXXXX | 0.63 | Tom Bolton | 12.3 | BOS |
| XXXXX | 0.61 | Dwight Gooden | 17 | NYN |
| XXXXX | 0.6 | Mike Morgan | 6.7 | LAN |
| XXXXX | 0.55 | Kevin Appier | 13 | KCA |
| XXXXX | 0.54 | Scott Garrelts | 6 | SFN |
| XXXXX | 0.51 | Bruce Hurst | 16 | SDN |
| XXXXX | 0.48 | Greg Harris | 15.7 | SDN |
_