Pittsburgh signed Agnew to its practice squad Tuesday, Teresa Varley of the Steelers' official site reports.
The Steelers tried out Agnew (lower leg) on Monday, Howard Balzer of GoPHNX.com reports.
Agnew (lower leg) was placed on injured reserve Saturday, Demetrius Harvey of The Florida Times-Union reports.
Agnew suffered a lower-leg fracture in Sunday's win over Carolina and is out for the remainder of the season, John Shipley of SI.com reports.
Agnew (ankle) is out for the rest of Sunday's game versus the Panthers.
Agnew hurt his ankle in the first half of Sunday's game against Carolina and is questionable to return, Demetrius Harvey of The Florida Times-Union reports.
Agnew caught both his targets for 70 yards and a touchdown during Sunday's 23-7 loss to the Ravens. He returned three kickoffs for 91 yards and one punt for 17 yards.
Agnew (shoulder) was activated off injured reserve Saturday, Adam Schefter of ESPN reports.
Agnew (shoulder) was designated to return from injured reserve Wednesday.
Jacksonville placed Agnew (shoulder) on injured reserve Saturday.