Riley (concussion) wasn't participating in Monday's practice, Pat Leonard of the New York Daily News reports.

Riley signed with the Giants on Thursday, Dan Salomone of the Giants' official site reports.

Pittsburgh activated Riley (ankle) from injured reserve Friday and has no injury designation ahead of Saturday's contest against the Bengals, Teresa Varley of the Steelers' official site reports.

Pittsburgh designated Riley (ankle) for return from its injured reserve list Tuesday, Teresa Varley of the Steelers' official site reports.

Riley (ankle) was placed on injured reserve Monday, Teresa Varley of the Steelers' official site reports.

Riley suffered a high-ankle sprain in Sunday's loss to the Browns, according to head coach Mike Tomlin, Mike DeFabo of The Athletic reports.

Riley injured his ankle in Sunday's game against Cleveland and has been ruled out for the remainder of the contest, Alan Saunders of SteelersNow.com reports.

Riley was claimed off waivers by Pittsburgh on Wednesday, after he was waived by the Jets, Teresa Varley of the team's official site reports.

Riley signed a one-year contract with the Jets on Monday, Howard Balzer of SI.com reports.

Riley (concussion) was a full participant in Wednesday's practice, Rich Cimini of ESPN reports.