Rolison (undisclosed) was spotted throwing off flat ground at Rockies camp Wednesday, Patrick Lyons of TheDNVR.com reports.

The Rockies sent Rolison (undisclosed) outright to Triple-A Albuquerque on Friday.

Rolison (undisclosed) was transferred to the 60-day injured list Friday.

Triple-A Albuquerque placed Rolison on its 7-day injured list June 4 due to an unspecified issue.

The Rockies reinstated Rolison (shoulder) from the 60-day injured list and optioned him to Triple-A Albuquerque on Monday.

Rolison (shoulder) began a rehab assignment with Single-A Fresno on Tuesday and tossed three scoreless innings, striking out three while allowing two hits and one walk.

Rockies manager Bud Black told reporters that Rolison (shoulder) had no issues while throwing a side session, Patrick Lyons of TheDNVR.com reports.

Rolison (shoulder) threw a bullpen session Friday, Danielle Allentuck of the Denver Gazette reports.

Rockies general manager Bill Schmidt said Friday that Rolison (shoulder) is expected to be ready to go for the start of spring training, Patrick Saunders of The Denver Post reports.

Rolison announced Wednesday via his personal Twitter account that he underwent surgery on his left shoulder in Los Angeles.