Chicago’s nationally ranked women’s roller derby league, will unleash its brazen derby skaters to a sea of roaring fans at its sixth season opener. Doors: 5 p.m., Bout: 6 p.m. Tickets: $20 in advance, $21 at the door. Tickets for the 2010 WCR home season are available online or at Ticketmaster, UIC box office or from any WCR roller.