Gruden says quarterback will allow him to have a 'creative imagination' with the offense this season
Nelson's yards-per-catch numbers have declined over his past three seasons on the field
Raiders quarterbacks threw off play action just 14 percent of the time in 2017, the third lowest total in the NFL
Cook caught 54 passes in his first season with the Raiders
Carr says Cooper is 'the kind of guy I want to play with'
Manziel says he's working on a comeback to the NFL.
Cooper said last training camp that he thought he would be more durable and just as fast by adding strength and about seven pounds
Callahan is son of former Raiders head coach Bill Callahan
Raiders QB had a strong week at the Pro Bowl as he prepares to start a new chapter of his career under Jon Gruden
Steelers wideout Anotonio Brown says of Carr, "He's special, man"