| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| May 21, 1999 | 3–4 | Giants +1 | Astros +0.2 | Regular Season | |
| May 21, 1999 | 10–6 | Cardinals +4 | Dodgers +0.3 | Regular Season | |
| May 21, 1999 | 4–5 | Padres +1 | Padres +0.4 | Regular Season | |
| May 21, 1999 | 7–8 | Rockies +1 | Rockies +0.3 | Regular Season | |
| May 21, 1999 | 1–2 | Twins +1 | Athletics +0.2 | Regular Season | |
| May 21, 1999 | 5–2 | Mariners +3 | Royals +0.0 | Regular Season | |
| May 21, 1999 | 8–4 | Cubs +4 | Braves +1.0 | Regular Season | |
| May 21, 1999 | 5–7 | Mets +2 | Mets +0.7 | Regular Season | |
| May 21, 1999 | 2–3 | Orioles +1 | Rangers +0.1 | Regular Season | |
| May 21, 1999 | 2–5 | Red Sox +3 | Red Sox +0.4 | Regular Season | |
| May 21, 1999 | 9–6 | Tigers +3 | Guardians +1.4 | Regular Season | |
| May 21, 1999 | 9–10 | Rays +1 | Angels +0.1 | Regular Season | |
| May 21, 1999 | 1–8 | Marlins +7 | Pirates +0.1 | Regular Season | |
| May 21, 1999 | 5–3 | Brewers +2 | Brewers +0.1 | Regular Season |