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80 A PRIMER OF COLLEGE FOOTBALL
with the man opposed to him. He should
take his position much as any other for¬
ward. He should stand near enough so
that when he straightens his arms he can
give a good sharp blow. He should be
careful not to expose the forward leg. The
centre should notice the opposing backs,
try to size up the play, then watch the
ball, and the moment he thinks it is going,
jump into his man before he starts into
him, with arms straight and stiff, so as to
not allow the opposing centre to tie him
up. A pretty good position for a centre
on the defence is the one indicated in
Fig. 19.
The centre should remain in his posi¬
tion long enough to see whether the play
is coming at him or not. This will, of
course, be determined by his shrewdness
in guessing the play. If the play is at
him, by keeping his man away from him
he can get under and into either hole. If
his own position is not attacked, he should