The Texas Rangers announced a pair of roster moves Thursday evening, including the team putting rookie right-handed pitcher Kumar Rocker (right shoulder impingement) on the 15-day injured list. Rocker,

Rocker is out with a right should impingement that manager Bruce Bochy said is mild and should cause him to miss just one start.

Rocker is now the fourth Rangers starting pitcher on the Injured List, joining Jack Leiter, Cody Bradford and Jon Gray. Reliever Josh Sborz is also on the Injured List. Leiter is expected to return to the majors soon after recovering from a blister injury earlier this month.