2025 MLB Playoffs: Postseason WPA Leaderboard
The 2025 MLB playoffs have begun, and we're tracking the players who are making the biggest impact on their teams' success. Despite the extended playoff schedule, it's always October when it comes to playoff baseball.
The current leader in Win Probability Added (WPA) is Roki Sasaki, a Japanese-born star on the Los Angeles Dodgers, known for his nasty splitter.
Who is this year's Mr. October?
While many might think of Shohei Ohtani, Roki Sasaki is the answer, at least according to the WPA metric, which has been used to quantify the narratives of the October bracket.
Author's summary: Roki Sasaki leads the 2025 MLB playoffs in WPA.