The Chicago White Sox have acquired right-hander Miguel Castro in a trade with the Houston Astros. Castro and infielder Vinny Capra were added to the roster before the opener of a three-game series against the Chicago Cubs.

The Major League Baseball trade deadline is still a couple months away, but a few teams are starting to upgrade around the edges.

CHICAGO -- The Chicago White Sox acquired right-hander Miguel Castro in a trade with the Houston Astros on Friday. Castro and infielder Vinny Capra were added to the roster before the opener of a three-game series against the Chicago Cubs. Capra was claimed off waivers from Milwaukee on Thursday.