"2013 MLS Cup" redirects here. For details on the tournament, see 2013 MLS Cup Playoffs.MLS Cup 2013, the 18th edition of Major League Soccer's championship match, was a soccer match which took place on Saturday, December 7, 2013 between Sporting Kansas City and Real Salt Lake at Sporting Park in Kansas City, Kansas, United States. The match was to decide the winner of the 2013 season.