Warshaw: Chicago Fire's wing backs "most interesting tactical" thing in MLS

If nothing else, Chicago Fire coach Veljko Paunovic is willing to try new things – even when results are going his team's way. The latest tactical wrinkle piqued the Extratime team's interest, with Bobby Warshaw breaking down how Chicago's five-back system is functioning. Warshaw calls it "the most interesting tactical thing going on in MLS" at the moment.