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Seattle Mariners vs Boston Red Sox prediction for 22 Jun 2026, 04:10 SGT (MLB). Recent form, head-to-head and real positions of profitable pros on Polymarket/Kalshi.
Final score: Seattle Mariners 3:1 Boston Red Sox (2026-06-22).
Seattle Mariners, last 5: L L W L W. Boston Red Sox, last 5: W W L L L. Head-to-head, last 5 meetings (Seattle Mariners wins – draws – Boston Red Sox wins): 1-0-4; latest 2026-06-21: Seattle Mariners 1:5 Boston Red Sox.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2026-06-22 05:35 UTC+8. How we calculate: methodology
| 2026-06-21 | vs Boston Red Sox | 1:5 | L |
| 2026-06-20 | vs Boston Red Sox | 2:6 | L |
| 2026-06-19 | vs Baltimore Orioles | 3:0 | W |
| 2026-06-18 | vs Baltimore Orioles | 3:5 | L |
| 2026-06-17 | vs Baltimore Orioles | 3:1 | W |
| 2026-06-21 | vs Seattle Mariners | 5:1 | W |
| 2026-06-20 | vs Seattle Mariners | 6:2 | W |
| 2026-06-19 | vs Toronto Blue Jays | 3:4 | L |
| 2026-06-18 | vs Toronto Blue Jays | 0:3 | L |
| 2026-06-17 | vs Toronto Blue Jays | 1:6 | L |
| 2026-06-21 | Seattle Mariners | 1:5 | Boston Red Sox |
| 2026-06-20 | Seattle Mariners | 2:6 | Boston Red Sox |
| 2025-06-19 | Seattle Mariners | 1:3 | Boston Red Sox |
| 2025-06-18 | Seattle Mariners | 8:0 | Boston Red Sox |
| 2025-06-17 | Seattle Mariners | 0:2 | Boston Red Sox |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2026-06-22 | dillertdallert Polymarket | Seattle Mariners to win | Won |
| 2026-06-22 | User7429 Polymarket | Boston Red Sox to win | Lost |