Starck became the first Nittany Lion to win the award in 10 years.
Mruzik was named to the first team while Starck made the second team.
The Nittany Lions have already played the three other national semifinalists this season.
Sellman had 219 kills in 20 matches as a freshman this season.
The Nittany Lions received 90 votes last week.
Rec Hall has played a huge role in helping out the Nittany Lions make the semifinals of the NCAA Tournament this season.