Current MLB injury designations, updated through the day from ESPN.
Santillan (oblique) will begin a rehab assignment with Triple-A Louisville on Friday.
Reds manager Terry Francona said that Pagan was unavailable to pitch in Thursday's win over the White Sox due to hand soreness, Chatterbox Sports reports.
Greene (elbow) will be out for 12-to-18 months after undergoing his second Tommy John surgery Wednesday, Gordon Wittenmyer of The Cincinnati Enquirer reports.
Williamson (shoulder) allowed two hits and one walk while striking out two over two innings Tuesday in a rehab start for Triple-A Louisville.
Steer (wrist) is scheduled to have a splint removed from his right wrist Monday, MLB.com reports.
The Reds transferred Dunn (elbow) from the 10-day injured list to the 60-day IL on Thursday.
Ashcraft (elbow) is on a throwing program, which will have him throw from 105 feet beginning July 20 at the Reds' training facility in Arizona, MLB.com reports.
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