Brian Rolapp's words were measured, his tone unremarkable. But beneath the surface of the new PGA Tour CEO's first major address ahead of this week's Tour Championship lay an unmistakable message: Sweeping changes are inevitable, and he won't hesitate to dismantle the current structure if it ultimately makes his league stronger.

Brian Rolapp, who spent 22 years with the NFL, was named the PGA Tour's first CEO on June 17. He’s officially been on the job for 18 days.

PGA Tour CEO Brian Rolapp said Wednesday at the Tour Championship that he anticipates not incremental change, but "significant change" as the circuit moves forward.