MLB ·
Cleveland Guardians vs Boston Red Sox result (1-9) on 31 May 2026 (MLB): 7 profitable pros on Polymarket/Kalshi took positions, 83% backing Cleveland Guardians to win. See who got it right, plus both teams' form.
Final score: Cleveland Guardians 1-9 Boston Red Sox (2026-05-31). Before the result, 83% of 6 profitable pros with a win/draw position backed Cleveland Guardians to win — that call was wrong.
7 profitable pros (listed on Tips, cumulative P&L above zero) hold positions on this match. Latest win/draw pick per pro: Cleveland Guardians 5 (83%) · Boston Red Sox 1 (17%).
Cleveland Guardians, last 5: W W L L W. Boston Red Sox, last 5: L L W L L. Head-to-head, last 3 meetings (Cleveland Guardians wins – draws – Boston Red Sox wins): 1-0-2; latest 2026-05-30: Cleveland Guardians 4-3 Boston Red Sox.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2026-05-31 06:56 UTC+8. How we calculate: methodology
7 profitable pros have positions on this match. Latest win/draw pick per pro: Cleveland Guardians to win 5 (83%) · Boston Red Sox to win 1 (17%).
| 2026-05-30 | vs Boston Red Sox | 4-3 | W |
| 2026-05-28 | vs Washington Nationals | 3-2 | W |
| 2026-05-27 | vs Washington Nationals | 3-6 | L |
| 2026-05-26 | vs Washington Nationals | 2-10 | L |
| 2026-05-25 | vs Philadelphia Phillies | 3-1 | W |
| 2026-05-30 | vs Cleveland Guardians | 3-4 | L |
| 2026-05-29 | vs Atlanta Braves | 2-10 | L |
| 2026-05-28 | vs Atlanta Braves | 8-0 | W |
| 2026-05-27 | vs Atlanta Braves | 6-7 | L |
| 2026-05-25 | vs Minnesota Twins | 5-6 | L |
| 2026-05-30 | Cleveland Guardians | 4-3 | Boston Red Sox |
| 2025-09-03 | Boston Red Sox | 11-7 | Cleveland Guardians |
| 2025-09-02 | Boston Red Sox | 6-4 | Cleveland Guardians |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2026-05-31 | retarb Polymarket | Boston Red Sox vs Cleveland Guardians O/U 10.5 | Won |
| 2026-05-31 | retarb Polymarket | Boston Red Sox vs Cleveland Guardians O/U 7.5 | Won |
| 2026-05-31 | retarb Polymarket | Boston Red Sox vs Cleveland Guardians O/U 4.5 | Won |
| 2026-05-31 | haluman Polymarket | Cleveland Guardians to win | Lost |
| 2026-05-31 | retarb Polymarket | Cleveland Guardians to win | Lost |
| 2026-05-31 | retarb Polymarket | Cleveland Guardians -1.5 spread | Lost |
| 2026-05-31 | heatwave0521 Polymarket | Cleveland Guardians to win | Lost |
| 2026-05-31 | heatwave0521 Polymarket | Boston Red Sox vs Cleveland Guardians O/U 5.5 | Won |
| 2026-05-31 | heatwave0521 Polymarket | Boston Red Sox vs Cleveland Guardians O/U 6.5 | Won |
| 2026-05-31 | heatwave0521 Polymarket | Boston Red Sox vs Cleveland Guardians O/U 7.5 | Won |
| 2026-05-31 | heatwave0521 Polymarket | Cleveland Guardians -1.5 spread | Lost |
| 2026-05-31 | stmrspet Polymarket | Cleveland Guardians to win | Lost |
| 2026-05-31 | Thiruvilayadal Polymarket | Cleveland Guardians to win | Lost |
| 2026-05-31 | KindOfBig Polymarket | Boston Red Sox to win | Won |
| 2026-05-31 | Molygem2.0 Polymarket | Boston Red Sox vs Cleveland Guardians O/U 6.5 | Lost |