Penn State has recorded back-to-back shutout wins for the second time this season.
The Nittany Lions dropped six spots from No. 10 last week.
The Nittany Lions bested the Eagles for the first time in program history to give Jeff Kampersal his 400th win.
The Nittany Lions escaped Iowa City with a five-set win Saturday night.
Clifford's premature exit left him with a 37% completion percentage, but Drew Allar did not fare much better.
Sean Clifford led the team in rushing yards with 74, while Nick Singleton, Kaytron Allen, and Keyvone Lee combined for just 41.