| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| Sep 15, 1990 | 7–2 | Mariners +5 | Angels +0.6 | Regular Season | |
| Sep 15, 1990 | 4–7 | White Sox +3 | White Sox +0.0 | Regular Season | |
| Sep 15, 1990 | 6–2 | Cubs +4 | Cardinals +0.2 | Regular Season | |
| Sep 15, 1990 | 14–6 | Guardians +8 | Royals +0.6 | Regular Season | |
| Sep 15, 1990 | 2–3 | Astros +1 | Giants +0.1 | Regular Season | |
| Sep 15, 1990 | 3–6 | Rangers +3 | Rangers +0.4 | Regular Season | |
| Sep 15, 1990 | 5–3 | Padres +2 | Padres +0.4 | Regular Season | |
| Sep 15, 1990 | 3–0 | Dodgers +3 | Reds +0.2 | Regular Season | |
| Sep 15, 1990 | 3–4 | Tigers +1 | Tigers +0.3 | Regular Season | |
| Sep 15, 1990 | 3–4 | Nationals +1 | Nationals +0.1 | Regular Season | |
| Sep 15, 1990 | 1–4 | Athletics +3 | Athletics +1.4 | Regular Season | |
| Sep 15, 1990 | 3–4 | Blue Jays +1 | Blue Jays +0.9 | Regular Season | |
| Sep 15, 1990 | 2–4 | Mets +2 | Mets +1.2 | Regular Season |