Boshers, 29, had been designated for assignment by the Twins last week. Across parts of three seasons, the lefty compiled a 4.59 ERA with a 78/25 K/BB ratio in 86 1/3 innings in the big leagues.
Boshers has handled left-handed hitters much better than right-handed hitters, holding them to a career .621 and .793 OPS, respectively. If he makes the 25-man roster out of spring training, the Astros may use him as a LOOGY — a left-handed one-out guy. As of right now, Tony Sipp is the only lefty in the ‘pen.