Cardinal Stadium, formerly known as Papa John's Cardinal Stadium, is a football stadium located in Louisville, Kentucky, United States, on the southern end of the campus of the University of Louisville. Debuting in 1998, it serves as the home of the Louisville Cardinals football program. The official seating capacity in Morethe quasi-horseshoe-shaped facility was 42,000 through the 2008 season. An expansion project that started after the 2008 season was completed in time for the 2010 season has brought the official capacity to 55,000. An additional expansion project aiming to close the open end of the horseshoe to add 6,000 additional seats was announced on August 28, 2015, and was completed in 2019.