In the race for the World Series, the Boston Red Sox (+4890) and Miami Marlins (+26300) are separated by a razor-thin margin. The implied probabilities — 2.0% and 0.4% respectively — tell the story of how the market views these two contenders.
Since the start of the 2026 season, the Boston Red Sox have shortened from +4980 to +4890, while the Miami Marlins have drifted from +23400 to +26300.
The market currently gives the Boston Red Sox the edge at +4890, while the Miami Marlins sit at +26300. Both teams' full odds history across all tracked sportsbooks is charted above.