Scott Stallings birdied the final hole for an 11-under 60 and a one-stroke lead in the PGA Tour's Barbasol Championship
Open notes: Connelly comfortable on big state in 1st British Open; Stenson still smiling after strange week; Poulter miffed at missed opportunity
Nelly Korda birdied the final two holes for a 5-under 66 and a two-stroke lead in the Marathon Classic
At 11-under par, Spieth holds a three-shot lead over Matt Kuchar heading into Sunday.
SOUTHPORT, England, July 22 (Reuters) - Rain or shine, American Jordan Spieth has been utterly unruffled throughout his first three rounds at the British Open, and with a three-shot lead over compatriot Matt Kuchar, he knows more of the same on Sunday will bring him a third major title.
On a day when Branden Grace made history, Jordan Spieth took a three-shot lead.
The sun comes out and the players go low at Royal Birkdale
Rory McIlroy failed to build on a fast start in the third round of the British Open and is nine shots off the lead heading into Sunday
Jordan Spieth says he will "not get ahead" of himself despite holding a three shot lead going into the final round of The Open at Royal Birkdale.
Grace shoots 62, lowest round in a major (Adds details, quotes)
Jordan Spieth shoots 65 in British Open to build 3-shot lead, move a big step closer to 3rd leg of career Grand Slam
Watch a selection of the best shots from day three at The Open, including Ricky Fowler's incredible tee-shot from the 5th which was inches away from making an albatross.
Jordan Spieth will begin the final round of the Open with a three-shot lead over his American compatriot Matt Kuchar.
Austin Connelly, a 20-year-old Canadian, holes an eagle on the par-four second on day three at The Open at Royal Birkdale.
Spieth will take a 3-shot lead over Kuchar into final round of Open