The 2013 Major League Soccer season kicks off at PPL Park, with the Philadelphia Union hosting Sporting Kansas City
|Philadelphia Union (4-3-3): MacMath; Williams, Parke, Soumare, G. Farfan; Cruz, Carroll, Okugo; M.Farfan, Casey, Le Toux.
|Sporting Kansas City (4-3-3): Nielsen; Myers, Belser, Collin, Sinovic; Feilhaber, Nagamura, Joseph; Zusi, Bieler, Sapong.
- This is the first match of the 2013 MLS season, and the first time a season's inaugural match has been played at PPL Park.
- These teams met twice at PPL Park last season. Philadelphia smashed Sporting KC with a shock 4-0 league victory on June 23, but Sporting took revenge with a 2-0 victory in the U.S. Open Cup semifinal on July 11.
- Sporting KC midfielder Graham Zusi led Major League Soccer in assists last season with 15.
- Philadelphia's all-time leading scorer Sebastien Le Toux returns after a year away. He scored 25 goals and made 20 assists in 62 appearances in his first stint with the Union.
- Both of these teams added a player with U.S. national team experience in the offseason. The Union grabbed Conor Caser in the Re-Entry Draft. KC traded for Benny Feilhaber.