| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 4.02 | 198409070_SLN_PIT |
| Detroit Tigers | DET | 1.87 | 198409080_DET_TOR |
| Houston Astros | HOU | 1.73 | 198409070_HOU_SDN |
| New York Yankees | NYA | 1.54 | 198409070_NYA_BOS |
| Montreal Expos | WAS | 1.1 | 198409090_PHI_WAS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | -8.75 | 198409090_OAK_CLE |
| San Francisco Giants | SFN | -3.91 | 198409080_ATL_SFN |
| Cincinnati Reds | CIN | -3.22 | 198409080_CIN_LAN |
| Texas Rangers | TEX | -2.67 | 198409080_TEX_MIN |
| Seattle Mariners | SEA | -1.66 | 198409070_SEA_KCA |
Based on accumulated WAA for this season up to 1984-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +012+ | 6.1 | Bruce Sutter | 111.3 | SLN |
| +014+ | 5.45 | Willie Hernandez | 126.3 | DET |
| +054+ | 3.55 | Larry Andersen | 85.7 | PHI |
| +056+ | 3.52 | Bill Dawley | 77.3 | HOU |
| +058+ | 3.42 | Craig Lefferts | 98.3 | SDN |
| +069+ | 3.06 | Dave Righetti | 85.3 | NYA |
| +072+ | 2.96 | Aurelio Lopez | 124.3 | DET |
| +074+ | 2.94 | Doug Sisk | 75.7 | NYN |
| +073+ | 2.94 | Dave Rucker | 68.7 | SLN |
| +085+ | 2.68 | Doug Corbett | 75.7 | ANA |
| +088+ | 2.66 | Dan Quisenberry | 112.3 | KCA |
| +089+ | 2.65 | Ernie Camacho | 88 | CLE |
| +097+ | 2.57 | Dave Smith | 66.7 | HOU |
| +099+ | 2.54 | Jay Howell | 91.3 | NYA |
| +103+ | 2.48 | Dave Schmidt | 68.3 | TEX |
| +105+ | 2.46 | Jesse Orosco | 79.7 | NYN |
| +122+ | 2.06 | Julio Solano | 42 | HOU |
| +126+ | 2 | Johnny Franco | 70.3 | CIN |
| +128+ | 1.96 | Luis Sanchez | 77 | ANA |
| +129+ | 1.96 | Tom Tellmann | 78.7 | MIL |
| +132+ | 1.91 | Donnie Moore | 61.7 | ATL |
| +133+ | 1.91 | Bill Caudill | 83.7 | OAK |
| +139+ | 1.73 | Ted Power | 98.3 | CIN |
| +142+ | 1.65 | Sammy Stewart | 84.7 | BAL |
| +143+ | 1.64 | Jeff Lahti | 80 | SLN |
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