3/28: Roller Derby: San Fernando Valley “Like OMGs” at Mission City Brawlin’ Betties S.B.’s female roller-derby pioneers have done their spring training and are ready to open their seventh season of hard bodies colliding on the hardwood of a gym floor. The Brawlin’ Betties have a score to settle against San Fernando; they lost to the valley girls last October, 214-158. The Betties are led by co-captains GeniSydal and Lem E. Atom, last year’s top-scoring jammer. The doors open at 4:30 pm (presale ticket holders get in at 4pm), and a sold-out crowd is expected. 5pm. Page Youth Ctr., 4540 Hollister Ave. Free-$5. Visit mcrd-march28.nightout.com.