| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| May 4, 1980 | 9–5 | Orioles +4 | Orioles +0.2 | Regular Season | |
| May 4, 1980 | 2–7 | Blue Jays +5 | Guardians +0.4 | Regular Season | |
| May 4, 1980 | 0–1 | Athletics +1 | Tigers +0.5 | Regular Season | |
| May 4, 1980 | 4–0 | Tigers +4 | Tigers +0.4 | Regular Season | |
| May 4, 1980 | 3–4 | Angels +1 | Angels +0.9 | Regular Season | |
| May 4, 1980 | 3–5 | Royals +2 | Red Sox +0.0 | Regular Season | |
| May 4, 1980 | 11–1 | Brewers +10 | Brewers +0.3 | Regular Season | |
| May 4, 1980 | 4–2 | Astros +2 | Astros +0.0 | Regular Season | |
| May 4, 1980 | 10–1 | Yankees +9 | Yankees +0.5 | Regular Season | |
| May 4, 1980 | 4–5 | Reds +1 | Reds +0.7 | Regular Season | |
| May 4, 1980 | 2–6 | Mets +4 | Padres +0.2 | Regular Season | |
| May 4, 1980 | 4–6 | Nationals +2 | Nationals +0.8 | Regular Season | |
| May 4, 1980 | 4–13 | Pirates +9 | Pirates +1.5 | Regular Season | |
| May 4, 1980 | 2–3 | Reds +1 | Reds +0.7 | Regular Season | |
| May 4, 1980 | 8–9 | Blue Jays +1 | Guardians +0.4 | Regular Season | |
| May 4, 1980 | 12–10 | Dodgers +2 | Phillies +0.1 | Regular Season | |
| May 4, 1980 | 4–3 | Padres +1 | Padres +0.2 | Regular Season | |
| May 4, 1980 | 8–4 | Giants +4 | Nationals +0.8 | Regular Season |