Kaima Taira is the kind of pitching target who can make a front office lean in fast. The Japanese right-hander has been posted by the Seibu Lions of Nippon Professional Baseball, opening the door for him to sign with a Major League Baseball team, and his resume is the sort that will get attention right away.
Taira is coming off a huge 2026 season, going 12-5 with a 1.36 ERA and a 0.95 WHIP over 146 innings and 23 games. He struck out 141 batters, gave up just four home runs and walked 45.
Over eight seasons in Japan, working both as a starter and out of the bullpen, he has gone 37-24 with a 1.78 ERA and a 1.09 WHIP across 592 innings and 325 games. He has also struck out 620 and owns an NPB record with 39 straight appearances without allowing a run.
For the Blue Jays, the fit is obvious on paper. Toronto needs pitching, especially in the rotation, after what happened in 2026.
Taira could help in that area, and the Blue Jays have the money to chase him. Their last signing from Japan also paid off, with Kazuma Okamoto’s excellent 2026 season serving as a reminder of what that market can bring.
Still, Taira is not the kind of arm every scout views the same way. Some see the 5-foot-8, 209-pound righty as undersized for MLB, which brings Marcus Stroman to mind for Toronto fans. Stroman was listed at 5-foot-7, but he still carved out an 11-year career, made two All-Star teams, posted a 3.79 ERA and a 1.28 WHIP over 1,497.1 innings, won a Gold Glove and earned MVP honors in the 2017 World Baseball Classic while helping the United States win.
Stroman also remains the only pitcher listed at 5-foot-8 or shorter to throw more than 100 innings in a season since Fred Norman in 1979. During his time in Toronto, he went 47-45 with a 3.76 ERA and a 1.27 WHIP over 789.2 innings. He debuted in 2014 and later made a memorable return from a torn anterior cruciate ligament in his left knee in 2015, coming back in September and winning all four of his starts that month, including two against the New York Yankees, as Toronto won the AL East and snapped a 21-year playoff drought.
Taira has mostly worked from the bullpen, and that may be where some MLB teams see him fitting best. He was excellent there in 2025, posting a 1.71 ERA and recording 31 saves, which was exactly half of his career total. But he wants to start, and with a fastball that sits in the mid- to upper-90s plus a broad mix of pitches, some believe he could be the second-best arm available in free agency behind Tarik Skubal.
Fangraphs says Taira’s delivery creates a flat angle that helps him miss bats, and that his velocity holds up late in games. He also fields his position well, and he is reportedly a big fan of analytics, which would seem to suit the Blue Jays.
Once a player is posted, teams have 45 days to negotiate with him. Because Taira is 26, there are no restrictions on contract length or value. If he does not sign with a major league club before that window closes, he returns to NPB and would have to be posted again next offseason.
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