KISSIMMEE, FLa. — Astros right-handed reliever Hector Ambriz rolled his right ankle during a first-base cover drill Thursday and walked with a slight limp after practice. He will be re-evaluated Friday prior to a workout. Catching prospect Max Stassi (oblique) was held out of practice for the second consecutive day. His injury is not serious and he’ll also be re-evaluated Friday. Twitter.com/ChronAstros