Estadio Wilfrido Massieu is an outdoor stadium located north of Mexico City, within the "Adolfo Lopez Mateos" campus of the National Polytechnic Institute (IPN). It was built in 1959 and has a capacity of 13,000 spectators. The stadium is the home field of the IPN's college football teams: the Águilas Blancas (White Eagles) and Burros Blancos (White Donkeys).The stadium was primarily used for American football until 2000, when it was vetoed from American football events by damages in its structure. However, in 2015 it was announced that the stadium will again host American football matches.