Allar underwent surgery for a broken left ankle on October 15.
Moore coached Biletnikoff Award finalist Skyler Bell in 2025.
Payne appeared in seven games over the last three seasons.
Ten Penn State football lettermen are on staff under Matt Campbell.
Thus far, Vega Ioane is the lone Penn Stater to appear in the first round of NFL mock drafts.
Details on specific game structure will come out soon.