She previously spent the last three seasons as an assistant coach.
Penn State is 3-0 against the Pioneers in its history.
Allar finished as a semifinalist for the award a season ago.
Ross and Peña are two of the three new receivers from the transfer portal.
Penn State joins Nebraska and Wisconsin as Big Ten teams in the top 10.
Penn State hosts the Big Ten Wrestling Championships for the first time since 2021.