Jordan Spieth wins 2015 US Masters after finishing 18-under at Augusta . The 21-year-old American won his first major title in a playoff against Rory McIlroy on Sunday and will be the youngest player to win an Open since Bobby Jones did it back in 1936.
Jordan Spieth wins 2015 US Masters after finishing 18-under at Augusta . Spieth became the first man ever to reach 19 under par in the Masters . Justin Rose and Phil Mickelson ( both 14 under ) finished joint second . READ : Spieth has world at his feet after record-breaking Masters triumph . Spieth : Winning the Masters has been the most incredible week of my life .