By Will Toogood Professional golf deals in the finest of margins. One misread putt, one misplaced tee shot or one errant approach can be the difference between making a cut or bowing out of a tournament after two days – Ryan Fox is experiencing just how fine those margins can be in his sophomore season as a fulltime PGA Tour member. Of the three events the Kiwi has started on the PGA Tour this year, he has made just one cut, yet both missed cuts were by just one stroke.