Racing PositionsUSMNT-Mexico rivalry intensified by recruiting dual-national talent4YJeff Carlisle, Eric GomezAlvarado, Pomykal, Gonzalez among top CONCACAF-based U-21s5YTor-Kristian KarlsenEx-U.S. youth Gonzalez out of Mexico U20 squad6YTom MarshallSource: Mexico's Gonzalez blocked from U20 WC6YESPNAlvarez, Gonzalez lead next crop of Mexicans bound for Europe6YESPNWilliams heating up, Cameron cold8YArch BellGonzalez making big strides at Monterrey8YTom Marshall