Gilbreath (shoulder) has yet to resume throwing, MLB.com reports.
The Rockies transferred Gilbreath (elbow/shoulder) to the 60-day injured list Tuesday.
Gilbreath (elbow) pitched in a simulated game Tuesday, Luke Zahlmann of The Denver Gazette reports.
The Rockies placed Gilbreath on the 15-day injured list Thursday, retroactive to March 25, with a left elbow injury.
Gilbreath (elbow) signed a one-year contract with the Rockies on Thursday, avoiding arbitration.
Gilbreath (elbow) was cleared to resume playing catch shortly after the All-Star break and was throwing off flat ground from up to 90 feet as of July 29, MLB.com reports.
Gilbreath (elbow) was placed on the 60-day injured list Tuesday.
Gilbreath (elbow) underwent Tommy John surgery as scheduled Tuesday, Danielle Allentuck of the Denver Gazette reports.
Gilbreath (elbow) said Thursday that he will likely require Tommy John surgery, Thomas Harding of MLB.com reports.
Gilbreath (elbow) is healthy to begin spring training and threw a bullpen session Sunday, Thomas Harding of MLB.com reports.