| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| May 31, 1998 | 2–4 | Cubs +2 | Braves +0.9 | Regular Season | |
| May 31, 1998 | 4–7 | Giants +3 | Giants +0.8 | Regular Season | |
| May 31, 1998 | 6–5 | Reds +1 | Dodgers +0.5 | Regular Season | |
| May 31, 1998 | 3–7 | Padres +4 | Padres +0.5 | Regular Season | |
| May 31, 1998 | 5–7 | Rockies +2 | Astros +0.1 | Regular Season | |
| May 31, 1998 | 4–10 | Royals +6 | Royals +0.2 | Regular Season | |
| May 31, 1998 | 6–5 | Angels +1 | Angels +0.1 | Regular Season | |
| May 31, 1998 | 6–7 | Brewers +1 | Brewers +0.3 | Regular Season | |
| May 31, 1998 | 9–5 | Rangers +4 | Orioles +0.4 | Regular Season | |
| May 31, 1998 | 13–7 | Red Sox +6 | Yankees +1.0 | Regular Season | |
| May 31, 1998 | 8–2 | White Sox +6 | White Sox +0.0 | Regular Season | |
| May 31, 1998 | 8–3 | Guardians +5 | Guardians +0.4 | Regular Season | |
| May 31, 1998 | 8–6 | Mets +2 | Mets +0.3 | Regular Season | |
| May 31, 1998 | 4–9 | Pirates +5 | Pirates +0.3 | Regular Season | |
| May 31, 1998 | 11–6 | Mariners +5 | Rays +0.0 | Regular Season |