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Tampa Bay Rays vs Cleveland Guardians prediction for 21 Oct 2026, 08:08 SGT (MLB). Prediction-market win probability: Tampa Bay Rays 49%, Cleveland Guardians 50% (Polymarket). Recent form, head-to-head and real positions of profitable pros on Polymarket/Kalshi.
Latest Polymarket chances: Tampa Bay Rays 49% · Cleveland Guardians 50% (updated )
The prediction market sees this as close: Tampa Bay Rays 49% · Cleveland Guardians 50% (Polymarket, as of 2026-10-20 11:52 UTC+8). This is data, not a guaranteed result.
As of 2026-10-20 11:52 UTC+8, Polymarket shows: Tampa Bay Rays 49% · Cleveland Guardians 50%. These are the platform's displayed prices, not normalised, so they can add up to slightly more than 100%.
Tampa Bay Rays, last 5: W W W L W. Cleveland Guardians, last 5: L L L W L. Head-to-head, last 5 meetings (Tampa Bay Rays wins – draws – Cleveland Guardians wins): 4-0-1; latest 2026-10-20: Tampa Bay Rays 7:3 Cleveland Guardians.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2026-10-20 12:23 UTC+8. How we calculate: methodology
| 2026-10-20 | vs Cleveland Guardians | 7:3 | W |
| 2026-10-19 | vs Cleveland Guardians | 3:1 | W |
| 2026-10-18 | vs Cleveland Guardians | 7:3 | W |
| 2026-10-16 | vs Cleveland Guardians | 2:3 | L |
| 2026-10-14 | vs Cleveland Guardians | 3:1 | W |
| 2026-10-20 | vs Tampa Bay Rays | 3:7 | L |
| 2026-10-19 | vs Tampa Bay Rays | 1:3 | L |
| 2026-10-18 | vs Tampa Bay Rays | 3:7 | L |
| 2026-10-16 | vs Tampa Bay Rays | 3:2 | W |
| 2026-10-14 | vs Tampa Bay Rays | 1:3 | L |
| 2026-10-20 | Tampa Bay Rays | 7:3 | Cleveland Guardians |
| 2026-10-19 | Cleveland Guardians | 1:3 | Tampa Bay Rays |
| 2026-10-18 | Cleveland Guardians | 3:7 | Tampa Bay Rays |
| 2026-10-16 | Cleveland Guardians | 3:2 | Tampa Bay Rays |
| 2026-10-14 | Tampa Bay Rays | 3:1 | Cleveland Guardians |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |
| 2026-10-20 | RadioFreeZerg Polymarket | Cleveland Guardians vs. Tampa Bay Rays | Pending |