The Giants worked out Gilbert on Tuesday, Tom Pelissero of NFL Network reports.
Gilbert (foot) and the Steelers have come to terms on an injury settlement, per the NFL's official transaction log.
Gilbert (foot) reverted to the Steelers' injured reserve list Thursday, Aaron Wilson of ProFootballNetwork.com reports.
The Steelers waived Gilbert (foot) with an injury designation Wednesday, Aaron Wilson of ProFootballNetwork.com reports.
Gilbert (ankle) was placed on injured reserve Friday, Dale Lolley of DKPittsburghSports.com reports.
Gilbert is considered questionable to return to Monday's game against the Bengals due to an ankle injury, Ray Fittipaldo of the Pittsburgh Post-Gazette reports.
Gilbert (back) was activated from injured reserve Saturday, Teresa Varley of the Steelers' official site reports.
Gilbert (back) was designated to return from injured reserve Wednesday, Curt Popejoy of USA Today reports.
Gilbert (back) was placed on IR on Wednesday.