Imai (arm) threw a bullpen session Monday, Matt Kawahara of the Houston Chronicle reports. It appears to be the first time he has thrown off the mound since landed on the 15-day injured list a week ago with right arm fatigue. The Astros haven't revealed the next steps for Imai, but it will likely involve facing hitters and perhaps making a rehab start or two. Imai holds a 7.27 ERA and 13:11 K:BB over his first 8.2 innings with Houston.
Tatsuya Imai: Everything you need to know
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STATS
Tatsuya Imai Game Log 2026
Tatsuya Imai Splits 2026
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SplitsGSIPWLERAKBBHBPCGHRERSVOSAVGHR
Overall 38.2100.0131110777000.2190Away 26.0100.09700433000.1900Home 12.2000.04400344000.2730Night 10.1000.00400133000.5000Day 28.1100.013700644000.2000vs Lefty 00.0000.06800120000.0770vs Righty 00.0000.07310650000.3160March 12.2000.04400344000.2730April 26.0100.09700433000.1900Opponent vs ATH 1 5.2 1 0 0.0 9 3 0 0 3 0 0 0 0 0.158 0 vs SEA 1 0.1 0 0 0.0 0 4 0 0 1 3 3 0 0 0.500 0 vs LAA 1 2.2 0 0 0.0 4 4 0 0 3 4 4 0 0 0.273 0 Venue @ Houston 1 2.2 0 0 0.0 4 4 0 0 3 4 4 0 0 0.273 0 @ Athletics 1 5.2 1 0 0.0 9 3 0 0 3 0 0 0 0 0.158 0 @ Seattle 1 0.1 0 0 0.0 0 4 0 0 1 3 3 0 0 0.500 0
Tatsuya Imai Player Profile
Career History
Tatsuya Imai: Breaking News
Plays catch Thursday
Imai (arm) played catch at Daikin Park on Thursday, Matt Kawahara of the Houston Chronicle reports. Imai landed on the injured list Monday due to right arm fatigue, but imaging came back clean and he has begun a throwing progression. The right-hander is eligible to return later this month, but a timetable for Imai rejoining the Astros' rotation won't be available until he further ramps things up.
Imaging comes back clean
Imaging on Imai's right arm came back negative, Chandler Rome of The Athletic reports. Imai landed on the injured list Monday due to right arm fatigue, but he doesn't appear to be dealing with a structural issue. The team now plans to build up the 27-year-old's arm strength before having him begin a throwing progression. It remains unclear how soon he will be able to return to the Astros' rotation.