Barker said he is still considering Penn State.
The Nittany Lions added 17 transfers and 15 freshmen.
Alyssa Naeher and Sam Coffey have never even heard the word "kilometer" before.
The award is given annually to the college football's most outstanding defensive player.
The Nittany Lions moved up five spots from their No. 13 ranking at the end of the 2023 season.
Warren's seven touchdowns were third-most in the nation last year.