Major League SoccerLewandowski's jersey outselling Messi's since Chicago arrival2dLizzy BecheranoMichael Reaves/MLS via Getty Images
Major League SoccerCavan Sullivan turned 17 last month, but he's already playing like an MLS MVP7dJeff CarlisleIsaiah Vazquez/Getty Images
Cavan SullivanFootballTransfer rumors, news: Barcelona to end up signing Sullivan?13dESPN(Photo by Terence Lewis/Icon Sportswire via Getty Images)
Major League SoccerU.S. prodigy Sullivan sets latest MLS record, says performance was 'terrible'21dESPNMichael Reaves/Getty Images
Major League SoccerCavan Sullivan's 2 assists help Union extend club-record unbeaten streak to 13Teenager Cavan Sullivan had assists on goals by Bruno Damiani and Milan Iloski to help the Philadelphia Union extend their club-record unbeaten streak to 13 with a 2-1 victory over Real Salt Lake on Saturday night.1M