Jon Duplantier headshot

Jon Duplantier News: Staying in Japan

Written by RotoWire Staff

Published on December 16, 2025

The Yokohama DeNA BayStars of Nippon Professional Baseball have signed Duplantier, Yakyu Cosmopolitan reports.

There had been some buzz that Duplantier could seek a major-league contract after he held a 1.39 ERA and 32.4 percent strikeout rate over 90.2 innings for the Hanshin Tigers in 2025. However, the 31-year-old has opted to continue his career overseas instead. Duplantier last pitched in the majors in 2021.

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