LoL Worlds 2026 · MLB Postseason
MLB ·
Seattle Mariners vs Boston Red Sox result (3:1) on 21 Jun 2026 (MLB): 6 profitable pros on Polymarket/Kalshi took positions, 75% backing Seattle Mariners to win. See who got it right, plus both teams' form.
Final score: Seattle Mariners 3:1 Boston Red Sox (2026-06-21). Before the result, 75% of 4 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: Seattle Mariners 3 (75%) · Boston Red Sox 1 (25%).
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 2026-06-21 22:12 UTC+0. How we calculate: methodology
6 profitable pros have positions on this match. Latest win/draw pick per pro: Seattle Mariners to win 3 (75%) · Boston Red Sox to win 1 (25%).
| 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 | 0xD9E0AACa471f48F91A26E8669A805f2 Polymarket | Seattle Mariners -1.5 spread | Lost |
| 2026-06-22 | Snipperbet Polymarket | Boston Red Sox vs Seattle Mariners O/U 4.5 | Lost |
| 2026-06-22 | 0xD9E0AACa471f48F91A26E8669A805f2 Polymarket | Boston Red Sox vs Seattle Mariners O/U 6.5 | Lost |
| 2026-06-22 | ssl132 Polymarket | Boston Red Sox to win | Lost |
| 2026-06-22 | 0xD9E0AACa471f48F91A26E8669A805f2 Polymarket | Seattle Mariners to win | Won |
| 2026-06-22 | dillertdallert Polymarket | Seattle Mariners to win | Won |
| 2026-06-22 | Snipperbet Polymarket | Boston Red Sox vs Seattle Mariners O/U 7.5 | Lost |
| 2026-06-22 | Snipperbet Polymarket | Boston Red Sox vs Seattle Mariners O/U 6.5 | Lost |
| 2026-06-22 | ezq-gk-7 Polymarket | Boston Red Sox vs Seattle Mariners O/U 5.5 | Lost |
| 2026-06-22 | Snipperbet Polymarket | Boston Red Sox -1.5 spread | Lost |
| 2026-06-22 | Snipperbet Polymarket | Boston Red Sox vs Seattle Mariners O/U 8.5 | Won |
| 2026-06-22 | funfacts Polymarket | Seattle Mariners to win | Won |