In the race for the World Series, the Cleveland Guardians (+5700) and Miami Marlins (+17600) are separated by a razor-thin margin. The implied probabilities — 1.7% and 0.6% respectively — tell the story of how the market views these two contenders.
Since the start of the 2026 season, the Cleveland Guardians have drifted from +4900 to +5700, while the Miami Marlins have shortened from +18500 to +17600.
The market currently gives the Cleveland Guardians the edge at +5700, while the Miami Marlins sit at +17600. Both teams' full odds history across all tracked sportsbooks is charted above.