Two hundred and six of Sanderson's wins have been in Happy Valley.
The Nittany Lions won all 10 bouts against the Cowboys.
Luke Lilledahl and Josh Barr pulled off upsets.
Trying to gain weight? Buy a cow.
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.