Mack will join high school teammate Conrad Hussey in Happy Valley, who committed to the Nittany Lions' Class of 2023 in April.
In-state kicker/punter Ryan Barker announced his verbal commitment to the Nittany Lions' Class of 2023 Tuesday night.
Nelson is the tenth recruit ranked as a four-star or higher in the Nittany Lions' Class of 2023.
If ratified, the amendment would've required Penn State to disclose the statue's location and condition to the general public.
Parker is the second recruit to commit to Penn State over the last four days.
Blanding is the 13th player to verbally commit to the Nittany Lions' 2023 class.