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Rory McIlroy of Northern Ireland, as well as the entire USA and European team, wears a rainbow umbrella pin in honor of American golfer Arnold Palmer during the Opening Ceremony of the 41st Ryder Cup at Hazeltine National Golf Course in Chaska, Minnesota, September 29, 2016. / AFP / JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)

Rory McIlroy of Northern Ireland, as well as the entire USA and European team, wears a rainbow umbrella pin in honor of American golfer Arnold Palmer during the Opening Ceremony of the 41st Ryder Cup at Hazeltine National Golf Course in Chaska, Minnesota, September 29, 2016. / AFP / JIM WATSON        (Photo credit should read JIM WATSON/AFP/Getty Images)