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Kyle Keller Re-Signs With NPB’s Yomiuri Giants

By Nick Deeds | December 8, 2024 at 4:39pm CDT

Right-hander Kyle Keller has re-signed with the Yomiuri Giants of Nippon Professional Baseball, MLBTR has learned. Keller’s new contract is a one-year deal that includes a mutual option for the 2026 season, though specific financial terms remain unclear.

Keller, 31, was an 18th-round pick by Miami back in 2015 and made his big league debut with the club back in 2019. He ultimately spent three years in the majors with the Marlins, Angels, and Pirates. He struggled through 46 1/3 big league innings during that time with a 5.83 ERA and 7.00 FIP. While he struck out opponents at a decent 22.4% clip, he was held back by an untenable 14.7% walk rate that severely limited his effectiveness at the big league level. Those struggles in the big leagues led Keller to look overseas for his next opportunity, and he eventually signed with NPB’s Hanshin Tigers for the 2022 season.

The right-hander wound up acting as a prominent late-inning arm for the club over his two seasons with them. After dominating the Western League for the Tigers’ affiliate almost immediately, he found himself promoted to the Central League rather quickly and didn’t look back with a 3.31 ERA in 32 2/3 innings of work. Importantly, he showed far better command over his arsenal in NPB play with a fantastic 35.9% strikeout rate against a microscopic 3.9% walk rate during his first year in the Central League. His peripherals weren’t quite as stellar in his second season with the Tigers, as his 23.7% strikeout rate and 13.6% walk rate were more reminiscent of his time in the big leagues than anything else. That didn’t stop him from posting strong results, however, as he pitched to a 1.71 ERA in 26 1/3 innings of work.

Those strong results earned Keller interest both in NPB and from MLB clubs last winter, and he ultimately settled on a third season in NPB as he landed with the Yomiuri Giants on a one-year deal last winter. His 2024 season turned out to be the best of his NPB career so far as he dominated with a 1.53 ERA in 47 innings of work while flashing strong peripherals. Keller struck out an excellent 29.5% of opponents for the Giants last year, while his walk rate sat at a more manageable 10.4%. That combination of excellent results and solid peripherals backing the performance up was evidently enough convince the Giants to retain Keller for at least the 2025 season.

Given the recent MLB interest he’s received and his strong season last year, if Keller is able to turn in a similarly strong campaign at age-32 next year it wouldn’t be hard to imagine him exploring a return to stateside ball at some point in the future as other successful big league relievers like Robert Suarez have done in the past.

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Nippon Professional Baseball Transactions Kyle Keller

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3 Comments

  1. User 3716094111

    10 months ago

    Pittsburgh. In a baseball sense, the gateway to the orient

    1
    Reply
  2. bwmiller79

    10 months ago

    Those are pretty good numbers in Nippon.

    1
    Reply
  3. Giant Willy

    10 months ago

    This isn’t the Giants news I was looking for

    Reply

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