The Browns signed DB Prince Miller and LB Adrian Moten and placed LB James-Michael Johnson and DB T.J. Ward on injured reserve with knee injuries.
The team announced that neither injury will require surgery.
Johnson played in 10 games with eight starts and made 32 tackles. Ward started all 14 games and had 68 tackles, three forced fumbles, one sack and one interception.
Miller has played in four career games and spent time with various clubs, most recently the Jaguars. Moten has played in 13 games, including one this season with the Eagles.
The Browns also announced that DL Hall Davis was promoted from the practice squad. He has played in one career game.