premise: Jamie Murray is the Davis Cup champion of 2015.
hypothesis: Andy Murray . Murray represents Great Britain in his sporting activities and is a three-time Grand Slam tournament winner , two-time Olympic champion , Davis Cup champion and the winner of the 2016 ATP World Tour Finals . He featured in Great Britain 's Davis Cup-winning team in 2015 , going 11 -- 0 in his matches ( 8 singles and 3 doubles ) as they secured their first Davis Cup title since 1936 . Jamie Murray . He is a three-time Grand Slam doubles winner and a Davis Cup champion , currently the world No. 5 doubles player , and a former doubles world No. 1 . Murray was in the Great Britain team that won the Davis Cup in 2015 , the nation 's first success in the tournament for 79 years . The Davis Cup team was awarded the 2015 BBC Sports Personality Team of the Year Award .