Curley was 21-for-31 passing with 210 yards, two touchdowns and an interception for the Leopards (5-1). Morrow ran for 85 yards and two scores on 11 carries and caught four balls for 54 yards.
Lafayette took a 28-3 lead into halftime after Morrow scored on runs of 6 and 23 yards. Tyrell Coon also scored on a 5-yard run for the Leopards, and Curley connected with Kyle Hayes on a 4-yard touchdown before the half.
Collie Winters threw both of his touchdown passes in the fourth quarter for the Crimson (3-2). But Curley's 6-yard passing score to Jeff Cumming in the fourth put the game out of reach.
Winters finished 19-for-36 with 233 yards and an interception for Harvard.
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Feleipe' Franks, the No. 4 pocket passer in the ESPN 300 and No. 59 player overall, committed to Florida after breaking his verbal pledge to LSU amid the Tigers' coaching uncertainty.
After finishing 97th in the FBS in scoring and 75th in passing yardage, Minnesota has fired offensive coordinator Matt Limegrover and passing game coordinator Jim Zebrowski, the school announced.
Clay Helton passed the latest round of the USC head coaching survivor test by beating UCLA, but there are still some who would prefer a big-time name.
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Six days after his death from brain cancer, hundreds of people, including Michigan football players, attended a memorial service for the 5-year-old grandson of former coach Lloyd Carr on Sunday.