The Nittany Lions moved up in the polls every week since the beginning of the season.
Pickett appeared in every game for the Nittany Lions last season and averaged 13.3 points per game.
Ally Schlegel scored the game's lone goal in the 75th minute of Sunday's match.
Andrew Privett's goal in the 75th minute propelled the Nittany Lions past the Wolverines to close out their regular season.
The Nittany Lions outscored Lindenwood 11-3 over the weekend.
A dominant performance at the service line and 65 kills weren't enough to take down the Buckeyes on Saturday night.