By WILL GRAVES Louisville fired football coach Steve Kragthorpe after finishing the year at 4-8, the school's worst season in more than a decade.Athletic director Tom Jurich met with Kragthorpe Saturday morning, hours after the Cardinals finished the season with a 34-14 loss to Rutgers.Kragthorpe went 15-21 in three seasons after replacing Bobby Petrino in January 2007.