Surprised Cook and Hopkins have yet to sign with another team?

The thing is, of these 2 players, Cook is the only one we could use because of Ak's looming suspension. @ receive, Hunter Renfrew is what we need. He's a true slot receiver, and we currently don't have one. Yes, it would cost us draft capital, but not an early pick. The raiders are tanking this year. Probably would only cost us a late round pick and he wouldn't break the bank.