The Pittsburgh Pirates will call up right-handed pitcher Bubba Chandler and add him to the big-league staff on Friday, MLB.com reports.  Chandler, who turns 23 in September, is one of the top pitching prospects in all of baseball.

PITTSBURGH -- Baseball's top pitching prospect is getting called up to the majors. The Pittsburgh Pirates have decided to promote 22-year-old right hander Bubba Chandler ahead of their game Friday against the Colorado Rockies, a person familiar with the decision told The Associated Press on Wednesday.

The Pittsburgh Pirates are promoting right-handed starting pitcher Bubba Chandler, MLB.com's No. 7 overall prospect (No. 1 overall pitcher).