Jordan Spieth at the Tour Championship by Coca Cola

2013 TOUR Championship by Coca Cola

Jordan Spieth Breaks More Ground at Tour Championship

Yahoo Sports â€” At East Lake Golf Club, the small stage set up for post-round interviews looks out over East Lake itself, and just on the far side of the lake runs the long 17th fairway.Jordan Spieth sat awaiting the television interview, almost motionless as techs adjusted his lapel microphone. He'd just finished an exceptional eight-birdie Sunday round at the Tour Championship, the latest step in the most impressive journey in golf this year.

For a moment, he'd been only one stroke behind leader Henrik Stenson, close to closing a seven-stroke gap to start the day. But now, from where he sat, he could watch Stenson play up the 17th, including an exceptional approach that may well have kept the tournament from Spieth's grasp.

All the way, Spieth was calm, the kind of calm 20-year-olds aren't supposed to have. He answered the same three media questions from different broadcast outlets, never once betraying frustration or anxiety. He's 20, but he's ready for the spotlight.

In taking home the Tour Championship, the FedEx Cup and $11.4 million in prize money, Stenson was the big winner. But Spieth, who continued the most impressive debut season since Tiger Woods, was the story.