
Houston Astros right-hander Tatsuya Imai has decided against exercising the opt-out clause in his contract, electing to return for at least one more season with the club.
MLB insider Jon Heyman reported the news, noting that Imai has two years and $36 million remaining on the three-year, $54 million deal he signed last winter.
The agreement, which included opt-out opportunities after each of the first two seasons, will pay him $18 million in both 2027 and 2028, with another chance to re-enter free agency following the 2027 campaign.
Imai’s first year in Major League Baseball proved more challenging than many anticipated. The 28-year-old posted a 6-4 record with a 4.93 ERA and 1.42 WHIP across 76⅔ innings in 23 appearances, 15 of them starts.
He struck out 97 batters while walking 51, showcasing the swing-and-miss ability that had defined his best work in Japan but struggling with command at the big-league level.
After beginning the season in the rotation, he was shifted to the bullpen in July and saw his role diminish as the year progressed. He made the Astros’ postseason roster but did not appear in their brief American League Wild Card Series loss to the Chicago White Sox.
The decision to stay comes as little surprise given the results.
Teams would have been hesitant to offer substantial multi-year guarantees after a season marked by high walk rates and inconsistent outings, even with Imai’s age and underlying strikeout numbers providing some optimism.
By remaining, he secures a healthy salary while preserving flexibility for the future if his performance improves.
Imai arrived in Houston with an intriguing track record from Nippon Professional Baseball. He debuted with the Saitama Seibu Lions in 2018 and endured early struggles, including a 6.13 ERA in 2020, before breaking through in 2021 with a 3.30 ERA.
From that point forward he posted sub-3.00 marks in every full season.
In 2025, he helped combine on a no-hitter against the Fukuoka SoftBank Hawks, working the first eight innings, and set a Lions record with 17 strikeouts in a single game against the Yokohama DeNA BayStars. Those performances led the Lions to post him for major-league clubs that November, and the Astros won the bidding in January 2026.
With Houston, Imai experienced both bright moments and setbacks. A brief stint on the injured list for right-arm fatigue interrupted his early progress, yet he contributed six innings to a combined no-hitter against the Texas Rangers.
Later, he closed out the game in which the Astros clinched the American League West. The overall body of work, however, reflected the difficulties of adjusting to a new league, culture, and style of play.
For the Astros, Imai’s return provides another arm for a rotation that projects to lean on Hunter Brown and a mix of other candidates. Whether he reclaims a starting role or continues in a hybrid capacity will depend on how he refines his command and arsenal during the offseason.
For Imai, the next year represents a chance to build on the flashes of dominance he showed while addressing the control issues that limited him in 2026. If he takes a meaningful step forward, the opt-out after next season could look far more appealing than it did this fall.
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