The Dolphins elevated Cook from the practice squad to the active roster Saturday.
The Dolphins signed Gonzalez off the practice squad to the active roster Saturday.
The Dolphins elevated Reagor from the practice squad to the active roster Saturday.
Mitchell (knee) is listed as questionable for Sunday's game against the Bills but is expected to play, Matt Zenitz of CBS Sports reports.
Cooper (ankle), who is listed as questionable for Sunday's game against the Bills, is expected to be available, Matt Zenitz of CBS Sports reports.
Wilson (concussion) is expected to be cleared to play against the Bills on Sunday, Matt Zenitz of CBS Sports reports.
Ossai (ankle) is questionable for Sunday's game against the Bills.
Phillips (ankle) is questionable against the Bills on Sunday.
Wright (back) is questionable for Sunday's game against Buffalo.
Brewer (concussion) has been ruled out ahead of Sunday's game against the Colts, Barry Jackson of the Miami Herald reports.
