The Nittany Lions will face No. 1 Oregon in the Big Ten Championship game on Saturday.
Tyler Warren, Sal Wormley, and Vega Ioane were all recognized.
Allen coaches the No. 4-ranked total defense.
Warren became the second Nittany Lion to receive the award since its inception in 2011.
Kortovich's commitment came just after Purdue fired its head coach.
Abdul Carter, Kobe King, Jaylen Reed, and AJ Harris all received placements.