GREEN BAY, Wis. -- Will Sullivan calls the drill "Blood in the Water" and it does not matter whether you're Darrelle Revis or Davon House, the assignment is the same. It's you against the receiver, mano-a-mano. Just you, him and the ball. "If you get beat in the drill, you stay in there until you figure out what you did wrong and you make it right," said Sullivan, the overseer of things of at Sullivan PROformance training center in Phoenix. "I don't care who you are.via - NFL Nation