Highly touted incoming freshman Kayden Mingo will wear No. 4.
Paquette is the first player to sign for the Nailers this summer
Both were AVCA All-Americans last season.
Sandy Barbour was Penn State's athletic director from 2014-22.
The third baseman will return for his redshirt junior season after being selected in the MLB Draft.
Smith's four-year deal with Arsenal represents the highest transfer fee in women's soccer history.