By Mark Lamport-Stokes ATLANTA (Reuters) - Swede Henrik Stenson holds one of the coveted top-five positions in the FedExCup points standings going into this week's season-ending Tour Championship but has growing concern over tendinitis in his left wrist. Stenson, who won his third PGA Tour title at the Deutsche Bank Championship earlier this month, initially realized he had a problem with his wrist during last week's weather-delayed BMW Championship in Chicago and says the pain has since intensified. "It isn't great," Stenson told reporters at East Lake on Wednesday. "It's pretty painful. ... More...