This article references Amari Cooper, Michael Crabtree and more! Oakland Raiders wide receivers Amari Cooper (knee) and Michael Crabtree (chest) both returned to a full practice Thursday after being limited Wednesday. It looks like Crabtree will return this weekend against the Ravens after being inactive in Week 4. That'll help Oakland's offense, but it may not matter with EJ Manuel taking over under center for the injured Derek Carr (back). With Manuel under center for at least the next game, both Cooper and Crabtree are volatile WR3s.Keep on reading: Amari Cooper, Michael Crabtree Return To Full Practice