The 32-year-old has spent the last four seasons between two different teams in Japan after pitching to a 5.83 ERA the previous three seasons in the majors with three teams. After posting a 1.71 ERA in 26 1/3 innings for the Hanshin Tigers, Keller has spent the last two years as a teammate of Griffin with the Yomiuri Giants.
Keller had arguably his best season in 2024 when he had a 1.53 ERA and 54 strikeouts in 47 innings. Though his ERA was higher this season (3.11), his peripherals were similar to previous seasons over 46 1/3 innings. He uses a three-pitch mix of a four-seamer, splitter and curveball. He’s expected to get interest from MLB teams once he officially becomes a free agent on Dec. 1.
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