The senior captain led the Nittany Lions offensively with 22 points in 22 games this season.
Notably, early enrollee quarterback Christian Veilleux will don No. 9.
The Nittany Lions remained in the Top 25 for the third straight week in 2021.
Myreon Jones, Izaiah Brockington, and Trent Buttrick have all reportedly entered the transfer portal.
Wheeler is the second Nittany Lion to reportedly enter the transfer portal recently.
Harrar averaged 8.8 points and rebounds per game in his senior season with the Nittany Lions.