 The play is called the triple option as the fullback dive is the first option, the quarterback keeping the ball is the second option, and the quarterback pitching to the halfback is the third option.A slight variation of this formation is the "flexbone", where the running backs move to just outside the tackles, but still behind the line of scrimmage.The running back that the play is using for the third option motions in, and while in motion the ball is snapped.