LONDON, ENGLAND - JULY 18: People relax on deck chairs in St James's Park on July 18, 2016 in London, England. London enjoyed warm weather today with temperaturesreaching 29°C following a wet and thundery June. (Photo by Jack Taylor/Getty Images)

Sweden's Henrik Stenson reacts to making his birdie putt on the 8th green during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / ANDY BUCHANAN / RESTRICTED TO EDITORIAL USEANDY BUCHANAN/AFP/Getty Images

Sweden's Henrik Stenson putting on the 5th green during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / GLYN KIRK / RESTRICTED TO EDITORIAL USEGLYN KIRK/AFP/Getty Images

Sweden's Henrik Stenson plays from the 6th tee during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / GLYN KIRK / RESTRICTED TO EDITORIAL USEGLYN KIRK/AFP/Getty Images

US golfer Phil Mickelson plays from the 6th tee during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / GLYN KIRK / RESTRICTED TO EDITORIAL USEGLYN KIRK/AFP/Getty Images

Sweden's Henrik Stenson plays from the 6th tee during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / GLYN KIRK / RESTRICTED TO EDITORIAL USEGLYN KIRK/AFP/Getty Images

Northern Ireland's Rory McIlroy plays out of the rough of the 15th hole during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / GLYN KIRK / RESTRICTED TO EDITORIAL USEGLYN KIRK/AFP/Getty Images

England's Andrew Johnston watches his drive from the 6th tee during his final round on day four of the 2016 British Open Golf Championship at Royal Troon in Scotland on July 17, 2016. Troon has seen just about everything in terms of weather so far this week, with glorious sunshine on Thursday followed by wet and windy conditions on Friday and then more gusts on Saturday. Sunday is set to see a cloudy and damp start but the afternoon, when the leaders go out, is expected to remain dry and the wind is not forecast to blow any more strongly than on Saturday. / AFP PHOTO / GLYN KIRK / RESTRICTED TO EDITORIAL USEGLYN KIRK/AFP/Getty Images