Tom Allen is about to do something he has never done before at the Division 1 level, and Clemson is the team hoping that strange little coaching wrinkle turns into a real advantage.
For the first time in his career as a full-time defensive coordinator, Allen is coming back for Year 2. That matters because continuity is now the story on that side of the ball for Clemson. Dabo Swinney already made one major offensive change by bringing back Chad Morris, but Allen remains in charge of the Tigers’ defense after arriving last season from Penn State.
That first stop in Clemson came after Allen helped Penn State reach the national semifinals of the first 12-team College Football Playoff. Before that, his career path kept moving upward: he left USF for Indiana and was promoted from within in 2017. At Clemson, though, he finally gets to settle in rather than immediately moving on.
Clemson broadcaster William Qualkinbush pointed out the oddity on social media, noting that Allen has never had a second year as a full-time defensive coordinator at the D1 level. He listed the stops: 2015 USF, 2016 Indiana, 2024 Penn St, 2025 Clemson.
Wanna know something crazy?
Tom Allen has never had a year 2 as a full time defensive coordinator at the D1 level.
2015 USF
2016 Indiana
2024 Penn St
2025 Clemson
More reason to be bullish on the Tigers’ defense IMO.
- William Qualkinbush (@QualkTalk) August 28, 2026
That kind of continuity could be a real boost for Clemson, especially with the defense’s biggest names already familiar with Allen’s approach. Linebacker Sammy Brown and edge rusher Will Heldt were both singled out by Dabo Swinney as leaders during ACC Media Days. Cornerback Ashton Hampton didn’t attend, but the source material notes he could be the first Clemson player selected next spring.
Allen’s background suggests he should be able to get even more out of this group now that he knows the personnel better. The article describes him as overqualified for the job, and that familiarity should help him put players in better spots and let them play faster. In other words, the less Clemson has to think on defense, the better.
There is also a belief that the Tigers may have as many as three first-round talents on that side of the ball in Brown, Hampton and Heldt. The next question is whether the rest of the unit can rise with them. Andy Burburija is new to the defense, but he is mentioned as a possible fourth piece in the trenches.
Allen has not had this kind of second-year chance before. Clemson is betting that this one is the right one.
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