Europe were trailing 10-4 going into the final day's singles at the 2012 Ryder Cup – and they were playing in the US in front of a hostile crowd. Somehow they pulled off victory with Martin Kaymer sinking the winning puttPhotograph: Mike Blake/ReutersLiverpool were 3-0 down against Milan at half-time in the 2005 Champions League final, so things couldn't really get much worse. In fact, they got much, much better. Liverpool stormed back before winning on penaltiesPhotograph: Dylan Martinez/ReutersNew Zealand were an awesome team at the 1999 Rugby World Cup and were 24-10 up against France in the semi-finals. But the French clocked up 26 points in 13 minutes to win 43-31Photograph: Alex Livesey/Allsport
In the third quarter, the Houston Oilers were leading the Buffalo Bills 35-3 in the NFL playoffs in January 1993. The Bills were led by their back-up quarterback Frank Reich but still came back to win 41-38. It remains the largest comeback in NFL historyPhotograph: Bill Sikes/APAustralia were one of the strongest Test teams ever when they toured India in 2001. Australia scored 445 in their first innings before bowling out India for just 171. VVS Laxman's 281 helped India fight back though and they bowled out the tourists for 212 to seal victoryPhotograph: Hamish Blair/Getty ImagesDennis Taylor lost the first seven frames of the world snooker final before coming back to win 18-17 on a respotted blackPhotograph: Adrian Murrell/Allsport
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