The sport of polo is a team sport unlike any other that showcases the powerful bond between the player and their equine partner. One of the oldest team sports, every game is an exhilarating display of horsepower, athleticism and control. The United States Polo Association® is the official governing body of the sport of polo in the United States. Founded in 1890, the USPA promotes the game of polo and coordinates the activities of its member clubs and registered players.