| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| Sep 20, 1980 | 2–3 | Padres +1 | Braves +0.1 | Regular Season | |
| Sep 20, 1980 | 10–2 | Reds +8 | Dodgers +0.3 | Regular Season | |
| Sep 20, 1980 | 9–0 | Athletics +9 | Royals +1.3 | Regular Season | |
| Sep 20, 1980 | 6–4 | Angels +2 | Rangers +0.5 | Regular Season | |
| Sep 20, 1980 | 4–8 | Brewers +4 | Brewers +1.5 | Regular Season | |
| Sep 20, 1980 | 1–6 | Orioles +5 | Orioles +1.8 | Regular Season | |
| Sep 20, 1980 | 9–6 | Mets +3 | Pirates +1.4 | Regular Season | |
| Sep 20, 1980 | 3–2 | Astros +1 | Astros +0.3 | Regular Season | |
| Sep 20, 1980 | 7–3 | Phillies +4 | Phillies +0.6 | Regular Season | |
| Sep 20, 1980 | 5–4 | Nationals +1 | Nationals +0.3 | Regular Season | |
| Sep 20, 1980 | 4–1 | Red Sox +3 | Yankees +0.8 | Regular Season | |
| Sep 20, 1980 | 3–13 | Tigers +10 | Tigers +0.4 | Regular Season |