The hype-vs-production gap is the whole story here. Alexander arrived at Thompson High as a five-star edge, the No. 18 prospect in the country, committed to Alabama — and then his career quietly stalled, never delivering the carnage the ranking promised. He transferred to Clemson in early 2025, switched from edge rusher to off-ball linebacker, and spent year one as a rotation piece: 11 solo tackles, 1.5 for loss, a sack, three pass breakups and a fumble recovery across roughly 220 snaps in all 13 games. Useful, not yet the headline.
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What changed the conversation is the people doing the talking. Defensive coordinator Tom Allen put it on the record in the spring: behind the established core, "Jeremiah is right in the mix" for one of the starting linebacker jobs — a three-way battle alongside Sammy Brown and Kobe McCloud after Luke Ferrelli left the room. Swinney has gone further, framing Alexander's year-two arc as the kind of steady internal climb the Tigers' rebuilt defense is banking on. Clemson beat writers list him among the team's top breakout candidates; the read on his tape is that he's stopped playing hesitant and started playing fast.
That's the forward stake the boards keep circling back to: a former five-star, a new position, a wide-open starting spot, and a coaching staff publicly vouching for him. Either 2026 is the season the pedigree finally converts into a starter's stat line next to Sammy Brown — or Alexander becomes the latest reminder that recruiting stars don't tackle anybody. The Tigers, rebuilding a defense that lost nine players to the NFL Draft, would very much like the former.
Update (Oct. 28, 2026): Clemson lost 20-16 to Virginia Tech on Oct. 24 as a 3-point favorite and is 4-3. Alexander had 6 tackles against Virginia Tech, and his high this season is 10 against North Carolina.