Tennessee’s defensive line took a hit when Chaz Coleman’s exit became official, and now the Vols are leaning on a mix of transfers and young talent to help cover the gap.
Tulane transfer Jordan Norman is expected to be part of the pass-rushing answer, while Tennessee may also need contributions from younger players like redshirt-freshman Christian Gass, freshman Kedric Golston and freshman Carter Gooden. But one of the more important names to watch is Xavier Gilliam, the Penn State transfer who doesn’t line up at EDGE but still figures to matter in a big way up front.
Gilliam was one of Coleman’s teammates at Penn State last season, and On3 insider Chris Low pointed to him as a player who could become central to Tennessee’s plan in the middle of the line.
“Certainly right there up the middle, which is another question mark for this team, that’s where another transfer, another guy from Penn State, Xavier Gilliam, they call him ‘X’, and I think they feel like they’re going to really benefit greatly from his addition,” Low said on Sunday night’s episode of The RTI Low-Down. “He’s going to have to be a man in there in the middle, and I think that will be key. Finding guys that can get to the quarterback, can rush the passer, and have some of those guys develop will be key this year.”
Gilliam entered the offseason ranked as Rivals’ 10th-best defensive lineman in the transfer portal and the 104th-best player overall. He began his college career as a three-star recruit before becoming a four-star portal addition.
In 2025 with Penn State, Gilliam finished with 16 total tackles, one forced fumble and half a sack.
His presence had already been drawing notice in Knoxville during spring camp. AJ Jackson, who was on Penn State’s staff last year before following Jim Knowles to Tennessee, said Gilliam had been flashing. Josh Heupel also gave the transfer strong reviews in the spring.
“He’s a guy that has played some football,” Heupel said. “Has familiarity with the scheme.
Had a really good offseason in our winter program. And then as we’ve continued to go through spring ball, I think he’s flashed more and more, the deeper that we’ve gotten into it.
First and second down, really good at the point of attack. Not getting moved versus double teams.
Does a good job using his hands. I’ve shown him a couple of times in our block destruction drill that we do up front.
And then you look at some of what he’s done in our pass rush. That’s our pass rush period.
It’s also during team. He showcased the ability to play on an edge and affect the quarterback.”
With Coleman no longer in the picture, the shape of Jim Knowles’ defense is still something to watch. Low said Tennessee’s linebacker group should be one of the team’s best units, and he believes that could help steady things overall.
“I think the best thing for Tennessee is they should be really good at linebacker,” Low said on The Low-Down. “That should be one of the strengths of their team.
I think receiver and linebacker next year when you look at Tennessee’s strengths. But they got a lot of guys, and they may play more linebackers, Bob.
They may have to.”
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Chaz Colemans Tennessee stint never really got off the ground after the former Penn State EDGE arrived with a buzz and the kind of upside that made him one of the more intriguing additions in the room. Instead, his time with the Vols was interrupted by long stretches away from spring and summer workouts, leaving the staff trying to piece together why a player with his reputation could not establish any real rhythm in Knoxville.
Josh Heupel acknowledged Coleman was working through off-field issues, and the situation grew more complicated as concerns surfaced within the program about his physical condition and day-to-day ability to handle team responsibilities. For Tennessee, it became less about waiting for the talent to show up and more about a player whose path forward had turned uncertain long before anyone expected it to. [Read more 🡒]
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DeWayne Brown, Terrence Hill Jr., Campbell Duncan and Tyler Lundblade have all stood out in that regard, giving Tennessee a few different personalities to lean on as the group continues to mesh before the break around the Fourth of July. Hill has looked comfortable in the system, Brown has taken on a bigger leadership role, and the early response from that core gives Barnes a first glimpse at how the Vols may organize themselves once the pace picks back up. [Read more 🡒]