MLB ·
Boston Red Sox vs Kansas City Royals result (2-3) on 12 Sep 2026 (MLB): 8 profitable pros on Polymarket/Kalshi took positions, 60% backing Boston Red Sox to win. See who got it right, plus both teams' form.
Final score: Boston Red Sox 2-3 Kansas City Royals (2026-09-12). Before the result, 60% of 5 profitable pros with a win/draw position backed Boston Red Sox to win — that call was wrong.
8 profitable pros (listed on Tips, cumulative P&L above zero) hold positions on this match. Latest win/draw pick per pro: Boston Red Sox 3 (60%) · Kansas City Royals 2 (40%).
Boston Red Sox, last 5: L L W W W. Kansas City Royals, last 5: W L L W L. Head-to-head, last 5 meetings (Boston Red Sox wins – draws – Kansas City Royals wins): 4-0-1; latest 2026-05-21: Kansas City Royals 3-4 Boston Red Sox.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2026-09-12 09:48 UTC+8. How we calculate: methodology
8 profitable pros have positions on this match. Latest win/draw pick per pro: Boston Red Sox to win 3 (60%) · Kansas City Royals to win 2 (40%).
| 2026-09-10 | vs Los Angeles Angels | 4-6 | L |
| 2026-09-09 | vs Los Angeles Angels | 1-6 | L |
| 2026-09-08 | vs Los Angeles Angels | 5-2 | W |
| 2026-09-07 | vs Baltimore Orioles | 3-1 | W |
| 2026-09-06 | vs Baltimore Orioles | 5-0 | W |
| 2026-09-10 | vs Arizona Diamondbacks | 5-2 | W |
| 2026-09-09 | vs Arizona Diamondbacks | 3-5 | L |
| 2026-09-08 | vs Arizona Diamondbacks | 4-5 | L |
| 2026-09-07 | vs Toronto Blue Jays | 6-1 | W |
| 2026-09-06 | vs Toronto Blue Jays | 3-4 | L |
| 2026-05-21 | Kansas City Royals | 3-4 | Boston Red Sox |
| 2026-05-20 | Kansas City Royals | 1-7 | Boston Red Sox |
| 2026-05-19 | Kansas City Royals | 1-3 | Boston Red Sox |
| 2025-08-07 | Boston Red Sox | 3-7 | Kansas City Royals |
| 2025-08-06 | Boston Red Sox | 6-2 | Kansas City Royals |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2026-09-12 | Roshkara Polymarket | Kansas City Royals vs Boston Red Sox O/U 6.5 | Won |
| 2026-09-12 | clown221 Polymarket | Kansas City Royals -1.5 spread | Won |
| 2026-09-12 | User7429 Polymarket | Boston Red Sox to win | Lost |
| 2026-09-12 | JJDAEGU Polymarket | Kansas City Royals to win | Won |
| 2026-09-12 | votiverocket Polymarket | Kansas City Royals to win | Won |
| 2026-09-12 | Knowing-Arthur-Ash Polymarket | Boston Red Sox -1.5 spread | Won |
| 2026-09-12 | whoamiwhoami Polymarket | Boston Red Sox to win | Lost |
| 2026-09-12 | _test_i075_i078_0 Polymarket | Boston Red Sox to win | Lost |
| 2026-09-11 | liuzhixiong Polymarket | Kansas City Royals vs Boston Red Sox O/U 7.5 | Lost |