Houser is the seventh Nittany Lion to enter the transfer portal.
Dom DeLuca may go undrafted, but he could find his way onto an NFL roster as an undrafted free agent due to his special teams capabilities.
Nwosu was Penn State's kickoff specialist for the last four seasons.
The event will run from noon to 5 p.m. at the H.O. Smith Botanic Gardens.
How will the Nittany Lions respond after their 23-minute scoring drought against Johns Hopkins?
The 21st Assembly met for the first time on Wednesday night.