Mexico manager Herrera: 'We are not overconfident'Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceMexico manager Herrera: 'We are not overconfident'Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.Loading recommendations... Please wait while we load personalized content recommendationsPublished Nov 12, 2013 | Modified Nov 12, 2013SI STAFFShare on FacebookShare on XHome/Soccer