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  POSITION PLAY
  79
  his own side is going to kick, the centre
  should block a little longer, the time to
  be determined by the speed of the man in
  front of him and the quickness of his own
  kicking back. Having blocked sufficient¬
  ly, he should let his man through, and get
  down the field to help the other forwards
  prevent a return.
  The defensive work of the centre is
  almost illimitable. He can be of as much
  or of as little use to his side as he has a
  mind to. He has more opportunity for
  brilliant tackles than any other man on
  his side, for the sole reason that he is not
  expected to do anything, and is the unac¬
  counted-for man. His own man is handi¬
  capped by having to snap the ball, and he
  has no other assignment except that man.
  The centre man should remember that
  he is a rusher and must break through,
  and do his share of the defence the same
  as any other forward.
  The centre man should never root up