Baseball has it's Bull Durham. Basketball has Hoosiers. Football has Rudy. And the mad sport of the roller game has Kansas City Bomber. Step aside, boys, she's coming through. Disco was in, polyester was cool and the roller game was the hottest thing on wheels when this smash-mouth spinfest elbowed it's way onto screens. Raquel Welch plays K.C., a single mom (Jodie Foster plays her daughter) who laces up to earn a living for her family. Real competition venues provide settings. Some true-life roller-game players appear in the film. And Welch adds to the authenticity, navigating the banked oval like a rocket-powered bumper car. Round and round she goes. Where she stops may be the top of the roller world