Tour Championship: Henrik Stenson builds four-stroke lead

Sweden's Henrik Stenson is on course for the $10m FedEx Cup bonus as a 66 gave him a four-shot halfway lead at the Tour Championship in Atlanta. The 37-year-old resumed a stroke clear and sank five birdies to end 10 under. via Pocket http://www.bbc.co.uk/sport/0/golf/24183848#TWEET896932