| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| Sep 18, 1998 | 0–5 | Diamondbacks +5 | Braves +1.0 | Regular Season | |
| Sep 18, 1998 | 4–1 | Rockies +3 | Padres +0.7 | Regular Season | |
| Sep 18, 1998 | 5–3 | Mariners +2 | Angels +0.3 | Regular Season | |
| Sep 18, 1998 | 3–4 | Giants +1 | Giants +0.1 | Regular Season | |
| Sep 18, 1998 | 1–3 | Rangers +2 | Rangers +0.8 | Regular Season | |
| Sep 18, 1998 | 9–11 | White Sox +2 | Red Sox +0.1 | Regular Season | |
| Sep 18, 1998 | 5–2 | Cardinals +3 | Brewers +0.0 | Regular Season | |
| Sep 18, 1998 | 15–5 | Yankees +10 | Yankees +0.6 | Regular Season | |
| Sep 18, 1998 | 1–4 | Guardians +3 | Guardians +1.0 | Regular Season | |
| Sep 18, 1998 | 4–5 | Tigers +1 | Tigers +0.1 | Regular Season | |
| Sep 18, 1998 | 5–2 | Astros +3 | Astros +0.7 | Regular Season | |
| Sep 18, 1998 | 7–6 | Marlins +1 | Mets +1.2 | Regular Season | |
| Sep 18, 1998 | 11–4 | Nationals +7 | Phillies +0.3 | Regular Season | |
| Sep 18, 1998 | 1–6 | Rays +5 | Blue Jays +0.4 | Regular Season | |
| Sep 18, 1998 | 6–4 | Reds +2 | Cubs +0.5 | Regular Season |