Jennings started 62 games during her four-year career with Boston College.
Travis was a four-year contributor on Penn State's men's basketball squad from 2011 to 2015.
The specialist is the No. 1 punter in the nation, according to Kohl's Kicking.
Freiermuth inked his first professional contract with the Pittsburgh Steelers Tuesday afternoon.
To date, this is Penn State's first step toward mandating COVID-19 vaccines for any university affairs.