The Bucs aren't going to sign a CB. You might as well resign yourself to that. For better or worse the Bucs are all in on Revis. Once the Bucs use the #13th pick then the Jets lose all leverage in a trade. They would have no choice but to accept next years picks for Revis then.
My prediction is this. the Bucs are going to trade up with Cleveland IF Dee Milliner gets past Detroit at #5. The Bucs will swap #1's and send the Browns a 3rd and and 4th. Then the Bucs are going to consummate the Revis deal.
I like it. Come out of the draft with Milliner and Revis, we would be set for years in the secondary. Use the rest of the picks for D-line, depth at other positions.