Gallery: USPGA Championship Round 1
Jimmy Walker leads after a 65 (-5)
The best pictures from a brilliant USPGA Championship Round 1 at Baltusrol
All the best pictures from an entertaining USPGA Championship Round 1
Related: Baltusrol Golf Club Hole by Hole Guide
USPGA Championship Round 1
2002 USPGA Champion Rich Beem shot a brilliant 1-under 69.
USPGA Championship Round 1
Andy Sullivan looking colour coordinated on his way to a 67.
USPGA Championship Day 1
Jimmy Walker reacts to a chip shot on the 12th.
USPGA Championship Round 1
Walker signed for a 65 (-5) to take the day 1 lead.
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USPGA Championship Round 1
A good day was had by 2010 USPGA Champion Martin Kaymer. The German shot 66 (-4).
USPGA Championship Day 1
2016 Senior USPGA Champion Rocco Mediate was enjoying the warm weather.
USPGA Championship Round 1
Wentworth's Ross Fisher shot an excellent 66 (-4) to be one off the lead.
USPGA Championship Round 1
Champion Golfer of the Year Henrik Stenson hitting in to the 4th. He shot a solid 67 (-3) to lie two back and become bookies' favourite.
USPGA Championship Round 1
Stenson and Willett share a joke on the final hole.
USPGA Championship Round 1
The year's three major champions...
USPGA Championship Round 1
Three USPGA titles between them.
USPGA Championship Round 1
McIlroy hitting his second shot on the last, he failed to birdie both the par-5 17th and 18th.
USPGA Championship Round 1
Rory would sign for a disappointing 74 (+4) to lie nine behind leader Jimmy Walker.
USPGA Championship Round 1
Argentina's Emiliano Grillo teeing off the sixth. He shot a brilliant 66 (-4).
USPGA Championship Round 1
Defending champion and world number one Jason Day, despite only arriving at Baltusrol on Wednesday, shot a 68 (-2).
USPGA Championship Round 1
It wasn't the day US Open champion Dustin Johnson was hoping for. He carded a 77 (+7) and now looks likely to miss the cut.
USPGA Championship Round 1
Looking back down the par-3 fourth hole.
USPGA Championship Round 1
Jordan Spieth walks to the first.
USPGA Championship Round 1
The Texan battled to a round of level-par 70.
USPGA Championship Round 1
Bubba, Sergio, Spieth and Michael Greller.

Elliott Heath is our News Editor and has been with Golf Monthly since early 2016 after graduating with a degree in Sports Journalism. He covered the 2022 and 2025 Masters from Augusta National and was there by the 18th green to watch Rory McIlroy complete the career grand slam. He has also covered five Open Championships on-site including the 150th at St Andrews.