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.

Tiger Woods will lead a committee to rebuild the PGA Tour from the ground up. Three pillars will transform professional golf forever.

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.