Imai, 27, was a three-time All-Star in NPB, including in both 2024 and ’25. He has emerged as an ace-level pitcher in Japan over the past several years -- he's posted an ERA under 3 and struck out more than a batter per inning in each of the past three seasons. But the ’25 season was arguably the best of his career. Imai went 10-5 with a career-best 1.92 ERA and 178 strikeouts in 163 2/3 innings and pitched in a combined no-hitter for the Lions. 今井，27岁&3次NPB全明星。他在日本的过去几年内已成长成一位王牌等级的投手，且 过去三个赛季他的ERA都在3以下，每局能送出的三振数也大於一。不过2025赛季可以说 是他的生涯年，他缴出10胜5败，ERA1.92创生涯新低且在163.2局中送出178次三振，也 和西武投手群投出过联手无安打比赛。 Overall, in his eight seasons with the Lions, Imai had a 58-45 record, 3.15 ERA and 907 strikeouts in 963 2/3 innings pitched. Since 2023, though, his ERA is just 2.18 and he's averaged 9.5 strikeouts per nine innings. 他过去八个赛季投了963.2局，58胜45败，ERA3.15跟907K；然而从2023年以来，他的 ERA只有2.18，K/9值则为9.5。 "Every season, I have played with the goal of winning the league championship and the Japan Series, and that ambition will not change with a new team," Imai said earlier in the offseason. "I will continue to compete with a strong desire to win and do my best to contribute to my team’s success." 每一个赛季，我都是以夺下联盟冠军与日本大赛冠军为目标在打球，而即使换了新球队， 这个志向也不会改变，」今井在休赛季刚开始时表示。「我会持续抱持强烈的求胜心，全 力竞争，并尽我所能为球队的成功做出贡献。」 Imai's two main pitches are his four-seam fastball and slider. His four-seamer averaged 94.9 mph in 2025 -- slightly above the average for an MLB right-handed starter (94.6 mph) -- and can reach the upper 90s. His slider averaged 86.2 mph and generated a 46 percent swing-and-miss rate. 今井的两个主要求种为四缝线跟滑球，2025年他的四缝线均速为94.9mph，略高於 大联盟先发右投平均的94.6mph。他的滑球均速则是86.2mph，且能产生46%的挥空率。 Imai also throws a good changeup, mainly against lefties, which averaged 85.5 mph in 2025 with a 41 percent swing-and-miss rate. He mixes in a splitter and curveball as well, and added a new "Vulcan" changeup with a wider grip during the 2025 season. 今井也有一颗不错的变速球，主要用来对付左打者。2025年均速85.5mph，有着41%的挥空 率。而他也会搭配指叉球跟变速球，他在2025赛季也加入了新球种，Vulcan变速球。 https://www.mlb.com/news/tatsuya-imai-astros-deal --

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