 The Virginia Slims of Detroit was a WTA Tour women's tennis tournament held from 1972 to 1983, which featured top ranked players such as Margaret Court, Billie Jean King, Chris Evert and Martina Navratilova.The UFC 9 mixed martial arts event was held at Cobo Arena in 1996 and UFC 123 at the Palace of Auburn Hills in 2010.The Palace of Auburn Hills held NCAA Division I Wrestling Tournament Finals on March 15–17, 2007.