UFC Fight Night 64: Gonzaga vs. Cro Cop 2 was a mixed martial arts event held on April 11, 2015 at the Tauron Arena Kraków in Kraków, Poland. The main event featured a heavyweight rematch between Gabriel Gonzaga and returning veteran Mirko Cro Cop, who last fought in the organization at UFC 137 in 2011. Gonzaga won their first encounter at UFC 70 in 2007 via knockout due to a first round head kick which has become one of the most famous and replayed finishes in UFC history.