It 's given him renewed confidence in the early stages of his ninth season on the PGA Tour Champions .
Three years after back surgery forced him to change his swing , Sindelar has become more comfortable with the adjustment .
It 's given Sindelar renewed confidence in the early stages of Sindelar 's ninth season on the PGA Tour Champions .
Three years after back surgery forced him to change his swing , Sindelar has become more comfortable with the adjustment .