2012 mock draft, take four

1. Colts: Andrew Luck, quarterback, Stanford. This is one of two picks we know for sure. 2. Redskins: Robert Griffin III, quarterback, Baylor. This is the other. 3. Vikings: Morris Claiborne, cornerback, LSU. This looks like the probable pick if the Vikes can’t trade out. 4. Browns: Trent Richardson, running back, Alabama. Cleveland takes the…