Sibling Rivalry explores the dramatic, decades-long soccer rivalry between two neighboring CONCACAF nations separated by culture, history, and ambitions but bound together by geography and an obsession with the beautiful game. Learn about the pivotal moments, unlikely heroes, and cultural tensions that have defined this unique North American blood feud. The following Sibling Rivalry excerpts offer a glimpse into the passions, politics, and personalities that make the soccer rivalry between Mexico and the United States unlike any other.