The Dolphins placed defensive back Sammy Seamster on injured reserve Monday due to a shoulder injury, the Miami Herald reports.
The Dolphins claimed cornerback Sammy Seamster off waivers from the Ravens and safety Brandian Ross off waivers from the Raiders, reports ESPN.com.
The Ravens are down to 53 players, thanks to a series of Saturday cuts.
The offensive players now gone are linemen Parker Graham, A.Q. Shipley and Ryan Jensen, tight end Phillip Supernaw, quarterback Keith Wenning and running back Fitzgerald Toussaint.
Those on defense include defensive backs Dominique Franks, Derek Cox, Tramain Jacobs and Sammy Seamster, linebacker John Simon and linemen Jamie Meder and A.J. Pataiali'i.
The team also placed wide receiver Jeremy Butler on injured reserve.