Pittsburgh Steelers WR JuJu Smith-Schuster (knee) did not practice all week and has been ruled out for Week 13 against the Cleveland Browns. RB James Conner (shoulder) was limited in practice for a second straight day Friday, Nov. 29, and is listed as doubtful. CB Artie Burns (knee) was upgraded to full practice Friday and is listed as questionable. OT Alejandro Villanueva (shoulder) and OG Ramon Foster (non-injury) practiced in full Friday and no longer appear on the injury report.