Matthew OHaren-USA TODAY Sports

Tom Allen is set to join Penn State as the new defensive coordinator after the Nittany Lions lost Manny Diaz to Duke.

Multiple reports indicated Allen's hire would be official Sunday after final details were sorted out, including salary ramifications owed by Indiana.

The head coach at Indiana, Allen was fired at the end of the regular season, while Diaz was named head coach of the Blue Devils.

The Hoosiers parted ways with Allen after seven seasons. Indiana was 3-9 overall and 1-8 in the Big Ten in 2023.

Under Allen, Indiana was 3-24 in Big Ten games since the Hoosiers went to bowl games in 2019 and 2020.

Allen, 53, posted a 33-49 overall record and 18-43 mark in Big Ten play.

His high-water marks came after posting an 8-5 record in 2019 and a 6-2 mark during the COVID-shortened 2020 season.

According to reports, Allen's deal with Indiana included a buyout of $20.8 million at the time he was fired, which was Nov. 26.

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