High Quality Content by WIKIPEDIA articles! Mizzou Arena is an indoor arena on the campus of the University of Missouri in Columbia, Missouri, USA. The facility, home to the school`s men`s and women`s basketball teams, opened in November 2004 and replaced the Hearnes Center as the school`s main indoor sports facility. The arched-roof building seats 15,061, and is located just south of Hearnes and Memorial Stadium. The arena is host to Missouri State High School Activities Association championships for basketball and wrestling.