Keep letting these guys run those kickoffs out of the end zone, given an infinite number of tries they're bound to break one some day.  In the mean time we'll start every offensive series from the 10 or worse after the inevitable holding or clipping penalty.  Those other teams really appreciate it when they get to start at about midfield.  "I need to coach better?"  Yeah, start with that, it's kind of simple and doesn't require any superstar athletic ability.  Let the ball go and start at the 25.