Tiger Woods $78 million $13m $65m Golf Tiger rediscovered his killer instinct in 2013, surging back to the top of the world rankings after a blistering start to the season when he won five of his first 11 events. Although he failed to add to his haul of 14 major victories his off-course income perked up, according to the Forbes annual sporting survey, thanks to sponsorship bonuses with Nike and Rolex tied to success. 2. Roger Federer $72m $7m $65m Tennis He slipped down the rankings and suffered his leanest season since 2001 but when it comes to endorsements Federer remains one of sport's most bankable assets. The 17-times grand slam winner's reflexes may have slowed and the picture-perfect backhand has lost its bite but he retains an impressive portfolio of sponsors including deals with Nike and Rolex. More...