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MLB Postseason TV Audience Hits 15-Year High Through Division Series

Nielsen’s “Big Data + Panel” counts, including expanded out‑of‑home viewing, give this year a built‑in edge over prior seasons.

Overview

  • Across the playoffs through the division series, games are averaging 4.33 million viewers, up 30% from 2024 and the best at this stage since 2010.
  • Seattle’s 15-inning Game 5 win over Detroit drew about 8.7 million across Fox platforms, the most-watched Division Series game since 2011.
  • Fox’s coverage of the ALDS averaged 4.15 million viewers on Fox, FS1, and FS2, the strongest division-round performance on any network since 2011’s NLDS on TBS.
  • Game 1 of the MarinersBlue Jays ALCS averaged 5.31 million on Fox platforms, a 32% jump over last year’s comparable opener on TBS.
  • Canadian audiences are not counted in U.S. Nielsen totals; Blue Jays ALDS games averaged 3.65 million in Canada, and adding roughly 4.7 million Canadian viewers pushed ALCS Game 1 above 10 million in combined North American viewership.