The Hoya defense made the score stand up. Ahmad Wilson's interception stopped Lafayette's only drive into Georgetown territory in the third quarter and Jeffrey Kordenbrock's missed field goal ended the Leopards' only potential scoring drive in the fourth.
Johnson was 21-of-36 passing for 160 yards with the two touchdowns and one interception. He was Georgetown's leading rusher with 35 yards on eight carries.
Lafayette's Jaden Sutton had 100 yards rushing on four carries, his 86-yard run giving the Leopards (0-7, 0-1) their only touchdown.