Siafa appeared in three games over four seasons in Happy Valley.
The Big Ten reveals the full schedule on Tuesday night at 5:30 p.m.
Kritza finds a new home after one year in the belly of Penn State's quarterback room.
A Penn Stater has still appeared in every Super Bowl except five since 1967.
Walker faces two counts of second-degree criminal possession of a weapon and criminal possession of a firearm.
Glover is the No. 4 running back in Delaware.