Barkley came in at No. 1 while Parsons slotted in at No. 36.
73 players found the field during Penn State's dominating performance against Nevada, including various defensive line players needing valuable reps.
The defending champs finish winless in the State Farm Women's College Volleyball Showcase.
The Nittany Lions were overpowered in the second half in their first ranked matchup of the young season.
Penn State's upset loss to Arizona State led to its drop in the rankings.
