A look back at a year when President Trump and the world of sport clashed. Photo: US President Donald Trump holds a jersey given to him by New England Patriots owner Robert Kraft (R) and head coach Bill Belichick (L) alongside members of the team during a ceremony honoring them as 2017 Super Bowl Champions on the South Lawn of the White House in Washington, DC, April 19, 2017. CREDIT: SAUL LOEB/AFP/Getty Images)