The Nittany Lions won all 10 bouts against the Cowboys.
Trying to gain weight? Buy a cow.
The Nittany Lions are underdogs for only the second time this season.
Cael Sanderson said Nagao had "a major surgery" and won't return "anytime soon."
Mesenbrink won his four bouts last week by a combined score of 72-10.
The Nittany Lions have only lost to Maryland twice in the last 62 years.