Mike Lindsey from USC was a member of USC track team as well as soccer.
Former USC RB Ryan Brewer played on several youth national teams as a midfielder growing up in Ohio.
Mark Bulcholz from atlanta played football and soccer at Clemson.
Just a few examples
From CN:
Thomas Winstead now playing at CofC was all-state in football and wrestling.
Kyle Maitland, Pennington Nieri, Thomas Touma, Mike Collins, Timmy Cunningham, Bradley Hollingsworth, Nick Palevich, PA Raad all play multipe sports