Summary
Australia's Jason Day wins his first major at Whistling Straits
Final standings: -20 J Day; -17 J Spieth, -15 B Grace; -14 J Rose
Day's total of 20 under par is the lowest ever at a major
Second-placed Jordan Spieth becomes new world number one
Rory McIlroy finishes 17th on -9 after a closing round of 69
Get involved: Who will win the US PGA? Tweet #bbcgolf
Live Reporting
Ben Dirs
'Can't have better'published at 00:21 British Summer Time 17 August 2015
'Great dude'published at 00:07 British Summer Time 17 August 2015
00:07 BST 17 August 2015get involved Get Involvedpublished at 00:02 British Summer Time 17 August 2015
00:02 BST 17 August 2015Tweet us on #bbcgolf
Postpublished at 00:01 British Summer Time 17 August 2015
00:01 BST 17 August 2015Day -20 (17)
PGA Tour writer Brian Wacker surveys the scene at Whistling Straits...
get involved Get Involvedpublished at 23:43 British Summer Time 16 August 2015
23:43 BST 16 August 2015Tweet us on #bbcgolf
New world leader?published at 23:30 British Summer Time 16 August 2015
23:30 BST 16 August 2015Spieth -16 (15)
Footballers take in the actionpublished at 23:17 British Summer Time 16 August 2015
23:17 BST 16 August 2015It wouldn't be a major championship if a few footballers weren't taking in golf drama and uploading their views onto social media.
Raising the bar...published at 23:12 British Summer Time 16 August 2015
23:12 BST 16 August 2015Day -20 (14)
Listen to BBC Radio 5 livepublished at 22:50 British Summer Time 16 August 2015
22:50 BST 16 August 2015Click live coverage at the top of this page
get involved Get Involvedpublished at 22:02 British Summer Time 16 August 2015
22:02 BST 16 August 2015Tweet us on #bbcgolf
Postpublished at 21:34 British Summer Time 16 August 2015
21:34 BST 16 August 2015Day -19 (7)
Don't speak too soon. He has to play out sideways from a bunker on the eighth and has 156 yards left into this flag for his third - it's a par four. It looks like a full swing and it makes the putting surface but leaves 20 feet. Could be bogey.
Birdiepublished at 21:02 British Summer Time 16 August 2015
21:02 BST 16 August 2015Rose -14 (6), Grace -15 (6)
Phil Casey of the Press Association gives his view as both Branden Grace and Justin Rose make birdie on this very welcoming hole. They both hit it further than the average 285 yards Y.E Yang has managed of the tee in this tournament.
get involved Get Involvedpublished at 20:45 British Summer Time 16 August 2015
20:45 BST 16 August 2015Tweet us your pick for the title to #bbcgolf
Stricker's last?published at 20:41 British Summer Time 16 August 2015
20:41 BST 16 August 2015Stricker -4 (18)
Golf Channel writer Randall Mell brings us Steve Stricker after the 48-year-old finished on four under...
get involved Get Involvedpublished at 20:30 British Summer Time 16 August 2015
20:30 BST 16 August 2015Tweet us your pick for the title to #bbcgolf
get involved Get Involvedpublished at 19:41 British Summer Time 16 August 2015
19:41 BST 16 August 2015Tweet us your pick for the title to #bbcgolf
Lead not always prime spotpublished at 19:14 British Summer Time 16 August 2015
19:14 BST 16 August 2015Day -15
get involved Get Involvedpublished at 19:11 British Summer Time 16 August 2015
19:11 BST 16 August 2015Tweet us your choice for the title to #bbcgolf
Pumped and readypublished at 19:02 British Summer Time 16 August 2015
19:02 BST 16 August 2015Day -15 (19:45 BST)