MLB ·
Houston Astros vs Seattle Mariners result (1:3) on 12 May 2026 (MLB): 6 profitable pros on Polymarket/Kalshi took positions, 100% backing Seattle Mariners to win. See who got it right, plus both teams' form.
Final score: Houston Astros 1:3 Seattle Mariners (2026-05-12). Before the result, 100% of 3 profitable pros with a win/draw position backed Seattle Mariners to win — that call was right.
6 profitable pros (listed on Tips, cumulative P&L above zero) hold positions on this match. Latest win/draw pick per pro: Houston Astros 0 (0%) · Seattle Mariners 3 (100%).
Houston Astros, last 5: L L W L W. Seattle Mariners, last 5: L L W W L. Head-to-head, last 5 meetings (Houston Astros wins – draws – Seattle Mariners wins): 0-0-5; latest 2026-04-14: Seattle Mariners 6:2 Houston Astros.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2026-05-12 02:28 UTC+0. How we calculate: methodology
6 profitable pros have positions on this match. Latest win/draw pick per pro: Houston Astros to win 0 (0%) · Seattle Mariners to win 3 (100%).
| 2026-05-11 | vs Cincinnati Reds | 0:5 | L |
| 2026-05-10 | vs Cincinnati Reds | 1:3 | L |
| 2026-05-09 | vs Cincinnati Reds | 10:0 | W |
| 2026-05-07 | vs Los Angeles Dodgers | 2:12 | L |
| 2026-05-06 | vs Los Angeles Dodgers | 2:1 | W |
| 2026-05-11 | vs Chicago White Sox | 1:2 | L |
| 2026-05-10 | vs Chicago White Sox | 1:6 | L |
| 2026-05-09 | vs Chicago White Sox | 12:8 | W |
| 2026-05-07 | vs Atlanta Braves | 3:1 | W |
| 2026-05-06 | vs Atlanta Braves | 2:3 | L |
| 2026-04-14 | Seattle Mariners | 6:2 | Houston Astros |
| 2026-04-13 | Seattle Mariners | 6:1 | Houston Astros |
| 2026-04-12 | Seattle Mariners | 8:7 | Houston Astros |
| 2026-04-11 | Seattle Mariners | 9:6 | Houston Astros |
| 2025-09-22 | Houston Astros | 3:7 | Seattle Mariners |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2026-05-12 | fatdog-012 Polymarket | Seattle Mariners vs Houston Astros O/U 4.5 | Won |
| 2026-05-12 | fatdog-012 Polymarket | Seattle Mariners -1.5 spread | Won |
| 2026-05-12 | bongocorp Polymarket | Seattle Mariners to win | Won |
| 2026-05-12 | JohnFollows Polymarket | Seattle Mariners to win | Won |
| 2026-05-12 | mscleo Polymarket | Seattle Mariners to win | Won |
| 2026-05-12 | gmomoney Polymarket | Will there be a run scored in the first inning?: Seattle Mariners vs. Houston Astros | Won |
| 2026-05-12 | NatanStein-ref Polymarket | Seattle Mariners -1.5 spread | Won |