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Chicago White Sox vs Seattle Mariners prediction for 21 May 2025, 07:40 SGT (MLB). Recent form, head-to-head and real positions of profitable pros on Polymarket/Kalshi.
Final score: Chicago White Sox 1:0 Seattle Mariners (2025-05-21).
Chicago White Sox, last 5: L L L L L. Seattle Mariners, last 5: W W W W L.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2025-05-21 11:22 UTC+8. How we calculate: methodology
| 2025-05-20 | vs Seattle Mariners | 1:5 | L |
| 2025-05-19 | vs Chicago Cubs | 2:6 | L |
| 2025-05-18 | vs Chicago Cubs | 3:7 | L |
| 2025-05-17 | vs Chicago Cubs | 3:13 | L |
| 2025-05-15 | vs Cincinnati Reds | 1:7 | L |
| 2025-05-20 | vs Chicago White Sox | 5:1 | W |
| 2025-05-19 | vs San Diego Padres | 6:1 | W |
| 2025-05-18 | vs San Diego Padres | 4:1 | W |
| 2025-05-17 | vs San Diego Padres | 5:1 | W |
| 2025-05-15 | vs New York Yankees | 2:3 | L |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2025-05-21 | xlw2na Polymarket | White Sox to win | Won |
| 2025-05-21 | mscleo Polymarket | White Sox to win | Won |