Renner becomes the fourth Nittany Lion selected on the day and second pitcher.
DeSanto becomes the third Nittany Lion selected on Monday and first pitcher for the program since 2023.
Williams and Rowling are the fifth and sixth players to enter the transfer portal.
Paxton Kling, Jack Porter, and Cole Wagner all earned Big Ten accolades.
"I hope I inspired people to follow their dreams, be consistent, and to know that if someone says no to you, it doesn't
matter."
First pitch for game one of the doubleheader is set for 1:32 p.m. on Monday, April 21.