| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 5.24 | 198409030_NYN_SLN |
| Houston Astros | HOU | 2.75 | 198409020_HOU_SLN |
| New York Mets | NYN | 1.63 | 198409030_NYN_SLN |
| Detroit Tigers | DET | 1.26 | 198409030_BAL_DET |
| New York Yankees | NYA | 1.21 | 198409040_TOR_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | -3.67 | 198409030_CIN_SFN |
| Oakland Athletics | OAK | -3.1 | 198409040_OAK_CHA |
| Seattle Mariners | SEA | -2.49 | 198409040_SEA_TEX |
| Kansas City Royals | KCA | -2.06 | 198409030_MIN_KCA |
| Minnesota Twins | MIN | -1.57 | 198409030_MIN_KCA |
Based on accumulated WAA for this season up to 1984-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +011+ | 6 | Bruce Sutter | 108.3 | SLN |
| +018+ | 4.84 | Willie Hernandez | 119.7 | DET |
| +044+ | 3.7 | Larry Andersen | 83 | PHI |
| +055+ | 3.38 | Bill Dawley | 76 | HOU |
| +062+ | 3.16 | Craig Lefferts | 95.7 | SDN |
| +064+ | 3.09 | Aurelio Lopez | 121.3 | DET |
| +070+ | 2.89 | Doug Sisk | 70.7 | NYN |
| +081+ | 2.65 | Dave Rucker | 65.7 | SLN |
| +085+ | 2.56 | Dave Righetti | 80 | NYA |
| +087+ | 2.55 | Dave Smith | 66.7 | HOU |
| +088+ | 2.54 | Doug Corbett | 72 | ANA |
| +089+ | 2.53 | Ernie Camacho | 87 | CLE |
| +091+ | 2.49 | Dan Quisenberry | 108.3 | KCA |
| +093+ | 2.46 | Dave Schmidt | 68.3 | TEX |
| +100+ | 2.35 | Jay Howell | 89.7 | NYA |
| +104+ | 2.25 | Jesse Orosco | 77.7 | NYN |
| +121+ | 2.01 | Sammy Stewart | 82 | BAL |
| +126+ | 1.9 | Bill Caudill | 81.7 | OAK |
| +129+ | 1.87 | Julio Solano | 40 | HOU |
| +131+ | 1.85 | Rich Bordi | 77.7 | CHN |
| +134+ | 1.82 | Rich Gossage | 90 | SDN |
| +135+ | 1.82 | Luis Sanchez | 73.3 | ANA |
| +137+ | 1.76 | Johnny Franco | 68 | CIN |
| +138+ | 1.75 | Tom Tellmann | 76.7 | MIL |
| +141+ | 1.7 | Ed Nunez | 59 | SEA |
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