Most of the questions around Oklahoma’s linebacker room got answered in April, and the biggest one came down to Owen Heinecke.
On April 16, just two days before the Sooners’ spring game, Heinecke was granted his injunction against the NCAA for one more year of eligibility. That gives Oklahoma a proven veteran back in the mix, and his return matters just as much as Kip Lewis’ decision to stay in Norman after weighing a jump to the professional ranks and the 2026 NFL Draft.
Lewis is coming off a strong junior season, and his choice to play another year gives OU one of the most seasoned linebacker groups it has had in a while. The Sooners added to that picture before they even knew Heinecke and Lewis were both coming back, bringing in former Michigan linebacker Cole Sullivan in January. Sullivan arrives with a résumé that includes 44 tackles, five tackles for loss, three interceptions and two sacks for the Wolverines in 2025.
That leaves Brent Venables and his staff with an interesting puzzle at the top of the depth chart. Oklahoma could simply start Heinecke and Lewis and use Sullivan as a backup. Another option would be sliding Sullivan to cheetah, the hybrid linebacker-defensive back role, which would give all three a chance to get starting reps.
However Oklahoma sorts out those three, the bigger issue is what comes after them. The top end looks solid. The depth behind it does not.
Taylor Heim was expected to be part of the rotation after handling a big special teams role in 2025, but a leg injury in spring ball makes it unlikely he’ll be available in 2026.
James Nesta looks like the next man up. He redshirted in 2024, then played in all 13 games last season, mostly on special teams. The 6-3, 235-pound linebacker finished the 2026 season with four tackles and one tackle for loss, and he drew repeated praise from teammates and coaches throughout the offseason.
Marcus James is another name to watch. The redshirt freshman saw action in just one game last year, but with the room so thin behind the top three, he could end up playing a regular role in 2026. James was a 3-star prospect out of Carl Albert High School in Midwest City, OK.
Oklahoma also signed four true freshmen at linebacker in its 2026 class: Jacob Curry, Kristan Moore, Beau Jandreau and Dane Bathurst.
Heinecke’s own rise is a reminder that this defense can turn limited experience into production fast. Before his breakout in 2025, the lacrosse player turned linebacker had just 11 tackles across his first three seasons on campus. Then last fall he exploded for 74 tackles, 12 tackles for loss, four pass breakups, three sacks and a forced fumble.
That’s the standard Oklahoma is hoping to see again from the younger names in the room. The Sooners have answers at the top. The question is whether the rest of the linebacker depth can catch up.
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John Mateer and Isaiah Sategna III may not have cracked the very top tier in On3s latest quarterback-wide receiver duo rankings, but their place on the list still says plenty about what Oklahoma has coming back in 2026. J.D. PicKell slotted the Sooners pair at No. 10, a nod to both their proven chemistry and the fact that Sategna was the most productive pass catcher on the roster last season, finishing as the teams leader in receiving yards and touchdowns.
What makes the ranking stand out is how much of the conversation above Oklahoma is built on projection rather than actual game reps. Several of the duos ranked ahead of the Sooners have yet to log meaningful snaps together, while Mateer and Sategna already have a season of timing and trust behind them. For a program trying to climb back into the national discussion, that kind of continuity can matter just as much as flash, and it gives Oklahoma a real argument even if the outside ranking leaves a little room to prove more. [Read more 🡒]
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Oklahomas place in the 2026 national-title conversation starts with the same thing so many Sooners seasons do now: the quarterback. John Mateer gives Brent Venables a real chance to make noise if the offense can hold up around him, and that means the line in front of him and the ground game behind him have to be better than they were a year ago. If those pieces come together, Oklahoma has enough around the edges to at least belong in the expanded playoff discussion.
Venables also has a defense that should travel, and that matters in a 12-team field where surviving a few ugly stretches is part of the job. The path is still narrow, though, because the Sooners are being measured against a crowded group of programs trying to break through for a first title under their current coach. For Oklahoma, the question is not whether the defense can keep it close. It is whether the offense can do enough to turn that into something bigger. [Read more 🡒]