Louisville's lopsided victories had raised expectations so high for the No. 7 Cardinals that a close victory seemed unlikely against an outmatched opponent.
But a second straight defeat looked possible against Duke on Friday night until a late penalty by the Blue Devils allowed quarterback Lamar Jackson to seal a shaky win for the Cardinals.
Jackson provided a cushion with a 2-yard touchdown run with 1:32 remaining and Louisville held off Duke 24-14, and the outcome was all that mattered to the Cardinals.
"We didn't blow them out, but we did win the game," said Louisville coach Bobby Petrino, whose team had averaged a nation-leading 58 points coming...