Ahead of the US PGA Championship at Bellerive Country Club, Press Association Sport tees up the tournament with a "round" of 18 facts and figures.
1 - World number one Dustin Johnson will seek a first US PGA Championship and second major title at Bellerive.
2 - Rory McIlroy has won the US PGA twice, with his victory at Valhalla in 2014 the last of his four major wins to date.
3 - The number of holes over which a play-off will be contested, if required.
4 - Walter Hagen won the championship four years in succession from 1924, when it was a match play event.
5 - Hagen and Jack Nicklaus share the overall record for US PGA Championship wins. Nicklaus was also runner-up on four occasions.
6 - Jordan Spieth has the chance to become the sixth player to complete a career grand slam, following Gene Sarazen, Ben Hogan, Nicklaus, Gary Player and Tiger Woods.
7 - The late Arnold Palmer won seven major titles but never the US PGA, thereby missing out on a career grand slam.
8 - McIlroy won by a record eight shots in 2012.
9 - The most shots under par for a round in the championship. Three men have shot 63 on a par-72 course - Player at Shoal Creek in 1984, Jose Maria Olazabal at Valhalla in 2000 and Hiroshi Iwata at Whistling Straits in 2015.
10 - The 508-yard 10th is one of two holes at Bellerive which plays as a par five for the members, but a par four for the championship.
11 - At 355 yards, the 11th at Bellerive is the shortest par four on the course and could see players trying to drive the green.
12 - American players have won the US PGA Championship 12 times in the last 20 years.
13 - McIlroy won his first US PGA title, and second major, when finishing 13 under par at Kiawah Island in 2012.
14 - The 14th at Bellerive is the start of a three-hole stretch known as "The Ridge". The three holes are on the highest part of the course and play into the prevailing wind.
15 - Tiger Woods is seeking a 15th major title, more than 10 years since his last.
16 - At 237 yards, the 16th at Bellerive is the longest par three on the course.
17 - Two-time winner Ray Floyd recorded a total of 17 top-20 finishes in the US PGA.
18 - Days between the end of the previous major, the Open at Carnoustie, and the start of next week's tournament.