Buy tickets to watch a game at Estadio de Urubamba. If there's nothing on while you're there, you might like to check if there's a tour of the grounds.
Estadio de Urubamba has an entrance fee and is a popular attraction in Urubamba. You'll find plenty of other interesting sights close by, so why not stick around a while? Salt Mines Of Maras, Santuario del Senor de Torrechayoc and Moray Terraces are also favorites among many travelers.