Belgrave-Shorter is the second player out of Mandarin High School to commit to Penn State's Class of 2024.
Movin' On will reveal its 2023 festival lineup at noon at the HUB's "High School Musical" stairs.
Dorsey will join his brother, Gabe, with the Tribe.
Lilledahl is the No. 2-ranked wrestler in the Class of 2024, according to FloWrestling.
After fending off competition from Bittersweet Mint in the Tasty Two round, Death by Chocolate prevailed to clinch the top spot in this year's bracket.
After a win against Johns Hopkins, the men moved to No. 5, while the women dropped to No. 18.