Raiders sign first-round wide receiver Amari Cooper
The Oakland Raiders have signed first-round wide receiver Amari Cooper to a four-year contract with a fifth-year option.He was drafted fourth overall. Cooper set school records for the Crimson Tide. He caught 228 career passes for 3,463 yards and 31 touchdowns. Follow me on Twitter: @RavensInsider Aaron Wilson covers the Ravens for The Baltimore Sun.