2011 | 2011 ATP Challenger Tour | PGA Tour | World Rally Championship | World Championship | NCAA Men's Division I Basketball Championship | Ultimate Fighting Championship | World Championship Wrestling | 2011 ATP World Tour | 2011 Rugby World Cup | 2011 ITF Women's Circuit | 2011 TÅhoku earthquake and tsunami | 2011 Pan American Games | 2011 Christchurch earthquake | World Touring Car Championship | Six Nations Championship | County Championship | British Touring Car Championship | World Chess Championship | national championship | All-Ireland Senior Hurling Championship | 2011 Summer Universiade | Football League Championship | Extreme Championship Wrestling | Bowl Championship Series | 2011 Pacific Games | Championship | All-Ireland Senior Football Championship | 2005 World Touring Car Championship season | The Open Championship |
At the 2011 PGA Championship in Atlanta, Dufner was in contention to win his first major and maiden PGA Tour title, when he entered the final round in the last group and tied for the lead with Brendan Steele at seven under par.