Cam Ward throws for 4 touchdowns, No. 6 Miami survives Louisville’s comeback bids for a wild 52-45 win

LOUISVILLE, Ky. – Ajay Allen followed Cam Ward’s fourth touchdown pass with a 2-yard go-ahead score early in the fourth quarter, Damien Martinez added a 30-yard TD run with 4:05 left and No. 6 Miami held off Louisville with a…