Phillips, a third-round rookie out of LSU, will be making his NFL debut. Wilson has been sidelined for weeks with an injured knee.
Tretter missed all of training camp following knee surgery but returned to practice Monday. He was a limited participant throughout the week and is poised to extend a starting streak that dates back to his first game with the Browns in 2017.
CB M.J. Stewart Jr., who was listed as questionable on the injury report, is active for today's game.
Check out photos as the team travels to Baltimore to play the Ravens