| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 5.67 | 199104180_KCA_BOS |
| Ed Whitson | SDN | 5.44 | 199104190_LAN_SDN |
| Chuck Finley | ANA | 5.01 | 199104190_MIN_ANA |
| Doug Drabek | PIT | 3.27 | 199104180_CHN_PIT |
| Dennis Martinez | WAS | 2.57 | 199104190_NYN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Morris | MIN | -6.19 | 199104190_MIN_ANA |
| Kevin Gross | LAN | -4.26 | 199104180_LAN_SDN |
| Jeff Robinson | BAL | -3.48 | 199104190_TEX_BAL |
| Don August | MIL | -3.11 | 199104190_TOR_MIL |
| Jim Abbott | ANA | -2.25 | 199104170_OAK_ANA |
Based on accumulated WAA for this season up to 1991-04-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.89 | Roger Clemens | 25 | BOS |
| +005+ | 1.38 | Mike Morgan | 15.7 | LAN |
| +007+ | 1.28 | John Smiley | 17 | PIT |
| XXXXX | 1.23 | Mike Boddicker | 23 | KCA |
| XXXXX | 1.18 | Charles Nagy | 16.3 | CLE |
| XXXXX | 1.11 | Dennis Martinez | 19.7 | WAS |
| XXXXX | 1.06 | Tom Candiotti | 15 | CLE |
| XXXXX | 1.02 | Tim Belcher | 14 | LAN |
| XXXXX | 0.99 | Dwight Gooden | 24 | NYN |
| XXXXX | 0.97 | Bobby Witt | 16 | TEX |
| XXXXX | 0.87 | Brian Holman | 15 | SEA |
| XXXXX | 0.86 | Frank Viola | 15 | NYN |
| XXXXX | 0.85 | Bill Sampen | 12 | WAS |
| XXXXX | 0.85 | Jimmy Key | 15 | TOR |
| XXXXX | 0.82 | Greg Maddux | 15 | CHN |
| XXXXX | 0.8 | Kevin Tapani | 16 | MIN |
| XXXXX | 0.76 | Matt Young | 14 | BOS |
| XXXXX | 0.75 | Norm Charlton | 16.3 | CIN |
| XXXXX | 0.72 | Chuck Finley | 23.3 | ANA |
| XXXXX | 0.64 | Mike Moore | 12.3 | OAK |
| XXXXX | 0.64 | Vicente Palacios | 9.7 | PIT |
| XXXXX | 0.64 | Chris Bosio | 15 | MIL |
| XXXXX | 0.62 | Tom Bolton | 12.3 | BOS |
| XXXXX | 0.54 | Kevin Appier | 13 | KCA |
| XXXXX | 0.53 | Scott Garrelts | 6 | SFN |
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