Getty An undrafted free agent is already expected to be "the guy" at a key spot for the New England Patriots and offensive coordinator Josh McDaniels. This is the point in the NFL’s offseason calendar when a rebuilding team like the New England Patriots begins mapping out its final 53-man roster, and an undrafted free agent is already considered “the guy” at a key spot. The bold prediction is good news for Brock Lampe . He’s the pick by Phil Perry of NBCS Boston to be the fullback the Patriots