We examine the numbers to track which players are making the most significant contributions to their teams' wins.
Despite the 2025 MLB playoffs starting in late September and potentially ending in early November, it's always playoff season in October. The question is, who is this year's standout player? A Japanese-born star on the Los Angeles Dodgers, known for his splitter, is currently leading the way. While Shohei Ohtani might be the first name that comes to mind, the actual leader is Roki Sasaki, according to the Win Probability Added (WPA) metric.
A metric that's been around for a while now and has a lot of utility in putting numbers to the narratives that emerge as the October bracket plays out.
Author's summary: Roki Sasaki leads the 2025 MLB playoffs in WPA.