Louisville backup quarterback Reggie Bonnafon ran for two touchdowns and passed for another and the No. 25 Cardinals scored on nine straight possessions in a 66-21 victory over Murray State on Saturday night.After an opening-game test by Miami on Monday night, Louisville (2-0) cruised past its in-state opponent. The Cardinals followed a first-possession punt with the offensive outburst first-year coach Bobby Petrino envisioned, and the list of contributors was long.Besides Bonnafon's two touchdowns, three other Louisville backs rushed for scores. Three receivers caught touchdown passes from the true freshman and sophomore starter Will Gardner, who threw two in just over a quarter of action. The Cardinals had 357 yards at halftime, 21 more than they totaled against Miami as they outgained the FCS-level Racers (1-1) 603-292.Bonnafon ran for touchdowns of 8 and 16 yards and threw a 27-yard TD pass to Michaelee Harris.