Key stats from Round 3 at St. Andrews

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Louis Oosthuizen, Jason Day and amateur Paul Dunne share the lead at St. Andrews, but Jordan Spieth is only one back as he looks to win the third leg of the Grand Slam. Here are some key stats provided by Golf Channel's editorial research unit.

• 14 players at/within three shots of lead (most through 54 holes since 2001 when there were 23)

• Last six major champions held 54-hole lead or co-lead

• Only five Open champions since 1895 were outside top-6 after 54 holes

• Only one Open champion since 1895 was outside top-10 (Paul Lawrie, 1999)


Paul Dunne: 66, lowest round ever by amateur in an Open at St. Andrews

• First amateur to lead through 54 holes in The Open since Bobby Jones in 1927

• Fourth amateur in modern grand slam era (1934) to hold 54-hole lead in major

• Last amateur to win any major: Johnny Goodman, 1933 U.S. Open

• Last amateur to win Open Championship: Bobby Jones, 1930

• Did not shoot round lower than 67 this season for UAB


Louis Oosthuizen: 12 under; combined 28 under in seven Open rounds at St. Andrews (won in 2010)

• Two players in last 100 years have won multiple Opens at St. Andrews (Woods, Nicklaus)

• 28 under in last seven Open rounds at St. Andrews (12 better than anyone else)

• Sixth straight round under par in majors (last three at U.S. Open)

• Combined 23 under in last six rounds in major championships

• Four of seven career Open rounds at St. Andrews have been 67 or better

• Third player to lead after 54 holes twice in an Open at St. Andrews (modern era)

Tiger Woods (2000, 2005) and Tom Watson (1978, 1984) are the others


Jason Day: 12 under; Second career 54-hole lead/share in a major

• Was tied for 54-hole lead at Chambers Bay (finished T-9)

• Eighth player since World War II to lead after 54 of U.S. Open and the Open in same year

• Each of previous seven players won at least one of those tournaments

• 1-for-5 in PGA Tour career converting 54-hole leads into wins

• Only win came at 2010 Byron Nelson (first career PGA Tour win)

• Five top-5s in majors, all since 2011 (0 career victories)


Jordan Spieth: 66 in third round; was clubhouse leader at 11 under at time of completion

• Was five back after 36 holes last week (Saturday 61, went on to win)

• 27 putts in third round (had 37 putts in second round)

• Only player to win Masters, U.S. and the Open in same year is Ben Hogan (1953)

• Hogan in 1953 was tied for 54-hole lead at Carnoustie

• Only bogey in third round came on ninth hole (four birdies in second round)

• Third career round of 66 or lower in a major (all three have come in 2015)

• Other two were rounds 1 and 2 of 2015 Masters (won)

• Trailed entering final round in two of five PGA Tour wins


Padraig Harrington: 65; lowest career round in a major championship

• Seeking fourth major win since 2007 (only Rory has four in that span)

• Combined 10 under over last 24 holes of tournament (bogey-free)


Dustin Johnson: 75; bogeyed each of last three holes in round

• Combined 3 over in rounds 3 and 4 of last five majors (31 under in rounds 1 and 2)

• Snaps streak of six rounds par/better in Open Championship