Lehigh will put its 3-0 record on the line on Saturday when perennial power New Hampshire visits Goodman Stadium.
New Hampshire lost its first game of the season in a close one to FBS school Central Michigan.
They then pounded preseason Patriot League favorite Colgate 53-23 in week two.
Lehigh has trailed in the fourth quarter in all three of its games before rallying to win.
The Mountain Hawks trailed Central Connecticut State by 20 points in their season opener, and trailed Princeton by 19 last week.