Brisker signed a four-year contract with the Bears after the team took him with the No. 48 overall pick in this year's draft.
Other teams in the Charleston Classic include Virginia Tech, Old Dominion, Davidson, Charleston, Colorado State, and South Carolina
Mustipher is one of 89 players named to the watch list.
The Class of 2023 wideout originally committed to Penn State in June after decommitting from Rutgers in May.
The celebration will begin at 5 p.m. on Tuesday, July 26, and will feature Axemann Brewery, Ma'aM, Penn State Opulence, and more.
With a win, Brown or Porter would become the program's first Thorpe Award recipient.