It’s a busy weekend in Knoxville. The Farmer’s Market will be on the Town Square Saturday morning from 8 to noon, and the Red Rock Arts Alliance will have entertainment on the square as well. Ag in the City also continues Saturday morning at the Marion County Fairgrounds. KNIA/KRLS’s Jamie Brockman will be there to emcee the skid steer rodeo and mutton bustin’ contest. The Big Red Radio will also be on site, playing music and making announcements. Saturday night is Farm Bureau Night at the Races. Hot laps start at 6:45.