The 2013 Major League Soccer season is the 101st season of FIFA-sanctioned soccer in the United States and Canada, the 35th with a national first-division league, and the 18th season of Major League Soccer. The season features 19 total clubs (16 from the United States, 3 from Canada).The regular season began on March 2, when Sporting Kansas City defeated the Philadelphia Union 3–1 at PPL Park.