The Colorado Rockies announced today that they have recalled infielder Colton Welker (#4) and right-hander Antonio Santos from Triple-A Albuquerque, and reinstated right-hander Jon Gray from the Injured List. Right-hander Chi Chi González was placed on the Injured List with a right oblique strain, right-hander Robert Stephenson was placed on the Paternity List and infielder Joshua Fuentes was optioned to Triple-A.