Anthony Castonzo, OT, Boston College

6-7, 295 pounds

The Colts need to find a way to keep QB Peyton Manning clean in the pocket and Castonzo is an instant upgrade at left tackle. He's a good athlete who can bend and will be a great fit for their zone stretch run game. However, he does struggle with power players and they might regret long term not pulling the trigger on a guy like Wisconsin OT Gabe Carimi instead.