Nickal improves to 8-1 in his UFC career.
"These are my kids, and there's nothing more than to make your kids happy."
Allen is 138 yards shy of being Penn State's all-time leading rusher.
Dennis-Sutton had two sacks and tied Penn State's single-season blocked punts record to help break Penn State's losing streak.
The Nittany Lions secured the series split with a massive bounce-back victory.
Penn State is moving on in the NCAA tournament