MLB and Polymarket partner on postseason power rankings

Major League Baseball (MLB) and Polymarket collaborated on postseason power rankings tied to the 2026 MLB playoffs. The partnership surfaces prediction-market odds alongside MLB's editorial content as the league's final four teams compete in the ALCS and World Series. The Facebook post promoting the rankings includes fan commentary on the Cleveland Guardians and Milwaukee Brewers.

Shows Polymarket deepening ties with mainstream sports leagues for distribution and brand credibility, following a template that could extend to other major sports properties.