MLB ·
Houston Astros vs Seattle Mariners prediction for 20 Sep 2025, 23:10 UTC (MLB). Recent form, head-to-head and real positions of profitable pros on Polymarket/Kalshi.
Final score: Houston Astros 4:6 Seattle Mariners (2025-09-20).
Houston Astros, last 5: L W W W L. Seattle Mariners, last 5: W W L W W. Head-to-head, last 5 meetings (Houston Astros wins – draws – Seattle Mariners wins): 2-0-3; latest 2025-09-20: Houston Astros 0:4 Seattle Mariners.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2025-09-20 23:51 UTC+0. How we calculate: methodology
| 2025-09-20 | vs Seattle Mariners | 0:4 | L |
| 2025-09-18 | vs Texas Rangers | 5:2 | W |
| 2025-09-17 | vs Texas Rangers | 6:5 | W |
| 2025-09-16 | vs Texas Rangers | 6:3 | W |
| 2025-09-15 | vs Atlanta Braves | 3:8 | L |
| 2025-09-20 | vs Houston Astros | 4:0 | W |
| 2025-09-19 | vs Kansas City Royals | 2:0 | W |
| 2025-09-18 | vs Kansas City Royals | 5:7 | L |
| 2025-09-17 | vs Kansas City Royals | 12:5 | W |
| 2025-09-15 | vs Los Angeles Angels | 11:2 | W |
| 2025-09-20 | Houston Astros | 0:4 | Seattle Mariners |
| 2025-07-21 | Seattle Mariners | 3:11 | Houston Astros |
| 2025-07-20 | Seattle Mariners | 7:6 | Houston Astros |
| 2025-07-19 | Seattle Mariners | 6:1 | Houston Astros |
| 2025-05-26 | Houston Astros | 5:3 | Seattle Mariners |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2025-09-21 | sports1 Polymarket | Astros to win | Lost |