Riders First  presents the Grizzgrapple Series Jiu Jitsu competition. This adrenaline-pumping event includes matches for all levels.  Admission for spectators is $15 cash or $18 for electronic payments at the door (kids 10 and under are $10). There will be beverages from Chilly Water Brewery. For more information or to sign up, call 317-795-6591. Doors open at 5 p.m.