Jacksonville State Gamecocks: 2026 defense preview — position by position

Seven starters return from a defense that finished second in CUSA in takeaways. The defensive line is the question mark.

Examining the Jacksonville State defense for 2026 based on preseason roster, media day press conferences and fall camp observations. Analysis does not reflect final depth chart decisions.

Conference: CUSA

Defensive coordinator: Brian Williams (Year 2)

2025 defense: 25.2 ppg allowed; 2nd in CUSA in takeaways; 3rd in CUSA in total defense

Returning defensive production: 54% (Phil Steele)

Returning defensive starters: 7

THE PICTURE

Brian Williams walked into Jacksonville State a year ago with a new defensive system and a roster full of players who had never run it. By December, his defense had finished second in Conference USA in takeaways and third in total defense. For a first-year coordinator installing a new scheme at a program still finding its footing in FBS, that is a significant result.

Now comes the part that separates a good first year from a program identity.

Williams returns seven starters. The linebacker room — led by Mac Sanders and Walker O'Steen — is the best tandem in the conference. The secondary brings back Caleb Nix and Tre'Quon Fegans. The continuity that first-year systems cannot buy, Williams now has. His players know the calls. They know the expectations. They know each other.

"When you're in the second year of implementing a system and developing a group, it's the cohesiveness," Williams said at media day. "You have more individuals involved that understand the reasons why we do what we do, how we do it, why we do it. ... You see these guys grow as leaders as well, and they're allowed to because they know what's expected of them."

The problem is up front. The entire starting defensive line from 2025 is gone. Emmanuel Oyebadejo — 41 tackles and 4.5 sacks — transferred to Florida. Darrell Prater left for Illinois. Williams' own development program was so effective that his best linemen outgrew the program.

"Coach Xavier Garcia did a great job of developing the D-line room, and most of them left because of it," Williams said.

That is the tension at the center of this defense. The coaching staff developed players good enough to get poached through the transfer portal. Build them up, lose them, start over. And in a defense built on winning the line of scrimmage, the front four is where it starts.

Kelly, in his 37th year of coaching, was characteristically direct about where this team stood after the first day in pads of fall camp.

"Talent doesn't win games," Kelly said then. "There's a bunch of teams in this country that has talent. But what we got to do is keep doing the learning how to do the little things, the boring detail things."

The little things. The boring details. That is the gap between a defense that had a good Year 1 and a defense that becomes the program's identity. That has been the focus as the Gamecocks prepare for a tough season opener at North Dakota State.

DEFENSIVE LINE

What we know:

Jacksonville State lost its entire starting defensive line from 2025. Oyebadejo to Florida. Prater to Illinois. That leaves Garcia rebuilding the entire unit.

Campbell is the key — and the pundits agree. Phil Steele named him 1st Team All-CUSA at defensive tackle. Williams said at media day that Campbell "arguably was probably playing the best football on our entire team last year, especially defensively, before he went down with his injury." His return is the single most important development on this defense. Perry, a senior who played at Alabama and Virginia Tech, gives Campbell an experienced partner. Phil Steele named Perry 3rd Team All-CUSA.

"We have Khurtiss Perry returning," Campbell said at media day. "So me and KP, we're trying to lead our group. We got some new guys that came in through the portal and they all buy in. I love the way we're looking. We're looking great."

The portal additions and developing young players are the variable. Kelly said Garcia has about 14 defensive linemen competing for time — a rotation that did not exist a year ago. The roster bears that out: 15 defensive linemen ranging from 220-pound true freshman Kyten Davis to 302-pound Oxford, Ala., product Jackson Bunn. Veterans like Jumarion Larry (R-Sr., 6-4, 260), Marquis Hood (Sr., 6-2, 275) and Quay Hood (So., 6-2, 275) give Garcia experienced bodies to work with. Angel Toombs (R-Jr., 6-5, 260), Marvin Stringfellow (Jr., 6-2, 290) and Andrew Rumph (Jr., 6-3, 265) add size. Garcia's track record as a developer is real, but the irony is obvious: the players he developed last year were good enough to leave. The players he has now are unproven at this level.

Williams framed the D-line's identity in terms of purpose, not personnel.

"The identity will be one in which we work towards every day — being physical at the point of attack, controlling the line of scrimmage, allowing our linebackers and our second-level players to run freely and make plays," Williams said. "But at the same time, they better do it in a hurry because we got guys like Jawaun that are able to get off blocks and make plays for themselves. We want to be the reason we're able to be dominant as a defense based off how our defensive line plays."

What Williams described at media day started showing up early in camp. After the first padded practice, Kelly noted the defensive front had shown intentional pass rush work in situational drills.

"In the two-minute situation, I really felt like our defensive front was very intentional about, they had good prep, pass rush lanes, they pressed the pocket and affected the quarterback," Kelly said then. "Those situations are critical and we got to be better at them."

The pundits say:

• Phil Steele named Campbell 1st Team All-CUSA at defensive tackle and Perry 3rd Team All-CUSA (Phil Steele 2026 Preview)

The question: Can a rebuilt front four — led by Campbell's return from injury and Perry's experience — generate enough push at the point of attack to replace what Oyebadejo and Prater took with them?

LINEBACKER

What we know:

Sanders and O'Steen are the foundation of this defense.

Sanders earned his starting role as a true freshman and led the team in tackles with 85. O'Steen was the team's second-leading tackler with 84 stops and added 2.5 sacks and 3 interceptions.

The Kelly recruiting story tells you everything about what the coaching staff thinks of Sanders. Kelly drove through a snowstorm to recruit him, got stuck and slept in his car. Sanders could have cashed in through the transfer portal after his breakout freshman season. He stayed.

"You saw Mac Sanders grow up as a freshman coming in his first year," Williams said at media day. "Walker O'Steen, Myles Butler — those guys did a fantastic job. That's a testament to Coach Davis and the work that he's done in developing that group."

Williams expanded on what made the linebackers effective during his first season.

"You saw the development take place with them last year throughout the season," Williams said. "Games that we really played at a high level, a lot of it was because of the way they played — the contributions that they made in terms of being able to get us lined up, being able to adjust to things on the fly. That's what you ask your linebackers to do."

Behind them, Lyles arrives from Phenix City as one of the most decorated defensive recruits in the state — Rivals Defensive Player of the Year in Alabama, 7A Lineman of the Year, national All-American. At 6-1 and 240 pounds, he has the frame to contribute immediately. Thomas Ashworth identified Lyles as the player most likely to produce from day one in the signing class. Prospects with that profile typically end up at Auburn or in the SEC. Jacksonville State landing him is a recruiting win that signals where this program is headed.

Sanders, for his part, credited the coaching staff's trust with allowing him to develop as fast as he did.

"Really, the coaches just trusting in me and sending me out there — they believed in me," Sanders said. "That helped me a lot."

The pundits say:

• Phil Steele named Sanders 1st Team All-CUSA at linebacker (Phil Steele 2026 Preview)
• Thomas Ashworth (al.com) called Sanders and O'Steen "probably the best duo in Conference USA" and a "top five in the Group of Five" tandem at linebacker (G5 Hive podcast)

The question: Sanders and O'Steen give Williams the top of the depth chart. Can Lyles and the depth behind them develop fast enough to keep the unit fresh across a 12-game schedule?

SECONDARY

What we know:

The secondary lost cornerback Tyrin Taylor and safety Malcolm Jones (to Iowa State) but returns its two best players in Nix and Fegans — both Thorpe Award watch list candidates, both Phil Steele 1st Team All-CUSA preseason selections. Nix was also named to the Bednarik Award watch list — one of two Conference USA players on a national list honoring the outstanding defensive player in college football. Fegans earned a spot on the Panini Senior Bowl Top 300 Watch List — one of eight Group of 6 players from more than 2,000 draft-eligible prospects evaluated.

That combination — a ball-hawking safety who produced 4 interceptions, 3 fumble recoveries and 191 INT return yards — a program record — highlighted by a 93-yard interception-return touchdown at UTEP and a 45-yard fumble recovery touchdown against Delaware alongside a lockdown corner who allowed just 14 receptions on 39 targets and graded out as one of the top cover corners in the Group of 6 per Pro Football Focus — gives Williams a foundation most CUSA coordinators do not have.

Kelly, asked about the Thorpe selections during camp, was direct: "It's a credit to those two young men and their teammates. They both have been hard workers since they've been at Jax State. Both of them have been very productive. I think both of them have a chance to play this game for a while."

Kelly also pointed to what makes their production possible: "They'll be the first to tell you a lot of credit goes to the guys up front, those linebackers in front of them that enable them to make some plays."

Nix articulated the defensive philosophy that defines this secondary.

"On our defense, we have four pillars, four things we live by, and one of them is ball-out mentality," Nix said. "I think that's just at every level — from safeties, from corners, every position. We put an emphasis every day at practice. We put an emphasis each game to go get the ball. Takeaways are big. If you can win the turnover margin, if you can win the takeaways, then you have a great chance of winning the game."

Williams echoed that earlier in camp: "It's part of the creed for us. It's part of the way we live on a daily basis. We want to be optimistic and take advantage of opportunities."

The nickel position is one of the roster's most competitive battles. Kelly identified Carr, Harris and Cook as the players in the mix. Carr brings production from Albany State — 27 tackles and 5 interceptions with a Second-Team All-SIAC selection. That kind of three-way competition at a hybrid spot means Williams has real options.

The corner depth behind Fegans and Jenkins is developing. Kelly singled out Brooks and Jones at media day: "JQ Brooks has done some really good things. Rodarion Jones, true freshman that we signed, he's done some really good things."

Fegans, asked where he developed the most between Year 1 and Year 2, gave a three-word answer that reveals the culture: "Off the field."

He expanded: "Practice, building those habits to staying consistent. Coaches just honing in on the small details."

Williams acknowledged the secondary gave up explosive plays in 2025 but framed them as growing pains — a first-year tax that the returning players have already paid.

"We felt like we gave up some explosive plays last year in the secondary, but they were all very growing pains-like," Williams said. "Our guys have experienced those things now, and sometimes the best teacher is experience. We experienced things that we don't want to experience this year, and I think that shows in our approach, our work ethic."

The communication Williams described at media day — veterans teaching the next wave how to line up, how to adjust, how to talk — is the dividend of a second year in the same system.

"When you're able to watch Caleb Nix and Tre'Quon Fegans and Marc Woods and Jaheim Jenkins communicate to each other, and then the group that's on the field next kind of mimics what they see them doing, it makes you feel good," Williams said.

The pundits say:

• Phil Steele named both Nix and Fegans 1st Team All-CUSA — one of only a handful of secondaries nationally with two first-team preseason selections from the same publication (Phil Steele 2026 Preview)
• Nix named to the Chuck Bednarik Award watch list (Maxwell Football Club) — one of two Conference USA players on the 91-player national list
• Nix named to Phil Steele's All-Meathead Team
• Fegans named to the Panini Senior Bowl Top 300 Watch List — one of eight Group of 6 players from more than 2,000 evaluated
• Thomas Ashworth (al.com) called Fegans "probably one of the more underrated players in CUSA" and identified Marc Woods as his defensive breakout pick for the entire team (G5 Hive podcast)

The question: Nix and Fegans are the proven commodities. The nickel competition suggests Williams has real depth. Can this group convert Year 2 cohesion and communication into fewer explosive plays and more turnovers forced?

PUTTING IT TOGETHER

Williams' scheme asked for physicality up front and turnovers everywhere else — and the players delivered in Year 1. Seven starters return from a unit that overperformed the program's talent level. The system is taking hold.

What has stood out through fall camp is Williams' emphasis on process — not results.

"Just responding to everything," Williams said early in camp. "We take a day and we have teachable moments where guys make mistakes and here's the time and now is the time where the mistakes are, you almost want them to make mistakes so you can correct them. I'd rather them make them now than come the season."

When asked what excites him most, Williams did not point to any individual player. He pointed to depth.

"The depth. The depth, the competition in each and every position room," Williams said. "I think the guys that have been around are not taking what they've done in the past for granted. The guys that are coming in are really trying to adapt and apply themselves to the way we do things. It's bringing them all together in the right fashion and it's got the chance to really do some special things."

That depth is the difference between Year 1 and Year 2. Last season, Williams was installing a system with strangers. This season, he has starters who know the calls teaching newcomers who want to learn them. The communication Williams keeps returning to — at media day, in fall camp — is the mechanism by which this defense actually coheres.

Kelly, typically, brought it back to the daily work.

"The game is won on situations," Kelly said during fall camp. "It's how you play third down. It's how you play in the red zone, how you play two-minute."

The staff's development infrastructure is the asset that does not show up in a stat line. Williams credited it directly: "The work that Coach Quincy's done in the safety room, Coach Rohan with the corners — these guys have developed our room." Garcia's D-line graduates are now at Florida and Illinois. Coach Davis built the linebacker room that produced Sanders and O'Steen. The coaches are the constant. The players change. The standard does not.

Breakout pick: Marc Woods, safety. A redshirt sophomore stepping into a larger role alongside Nix, he had at least one interception in 2025 and has earned the coaching staff's trust in camp. Williams included him by name alongside Nix, Fegans and Jenkins when describing the secondary's communication core — the group that sets the standard for the rest of the unit. Thomas Ashworth of al.com tagged him as his defensive breakout selection for the entire team on the G5 Hive podcast. If Woods delivers, Jacksonville State's secondary goes from good to elite at the Group of 6 level.

The bottom line: The defensive line is the variable. The linebackers are the strength. The secondary is the ceiling-raiser. If Campbell's return from injury steadies the front and Garcia's 14-man rotation generates enough pressure, Williams has the pieces to field the best defense in Conference USA.

The coaching, the culture, the returning talent — the infrastructure is already in place. Now the Gamecocks have to prove that the daily work Williams and Kelly keep preaching translates to Saturdays.

Kelly would tell you not to look at the mountaintop. Look at the next step.

"It's like a mountain climber," he said. "The guys that climb the tallest mountains in the world, if they look at the mountain top, they're going to slip, they're going to die. They look down. They look at taking one step at a time, and eventually they get to where they want to get to."

Jacksonville State's defense has taken the first step. Year 2 tells you whether this group knows how to climb.