Caleb Wilson’s season-ending hand injury caused some evaluators to overlook him near the top of the 2026 NBA Draft conversation. Even so, the former UNC standout remains widely viewed as a consensus top-four prospect, usually ranked behind AJ Dybantsa, Darryn Peterson, and Cameron Boozer.
Throughout the draft process, Wilson has earned praise for both his mentality and work ethic. He has openly described himself as a culture-setter, and his maturity during his lone season in Chapel Hill stood out immediately. At 6-foot-9 with advanced offensive skill and defensive versatility, many scouts believe his long-term upside rivals anyone in what could become a historic draft class.
For most of his freshman year at UNC, there were virtually no concerns attached to his profile. However, just a couple of days into the NBA Draft Combine, a potential weakness finally surfaced.
Wilson measured 6-foot-9.25 without shoes and weighed 210 pounds. While his lean build raised some questions, the bigger issue came during athletic testing. Known for his explosive leaping ability, Wilson surprisingly posted weaker results than Cameron Boozer in both the pro lane agility drill and shuttle run, despite Boozer carrying roughly 43 additional pounds.
Caleb Wilson’s lateral mobility may limit his defensive ceiling
Some projections for Wilson have become extremely ambitious. Because of his length, defensive versatility, and developing perimeter game, he has even drawn comparisons to Kevin Garnett. To ever approach that kind of Hall of Fame trajectory, Wilson would need to become an elite all-around defender — not only blocking shots and generating steals, but also effectively switching onto guards and defending in open space.
The combine measurements reinforced the belief that Wilson is unlikely to play full-time center at the NBA level. Even after adding strength, he may still struggle to handle consistent minutes at the five. That puts even greater emphasis on his ability to defend laterally, and during the agility drills, his movement appeared somewhat stiff side-to-side.
Boozer may not possess the same vertical explosiveness, but his movements look smoother and more controlled. The encouraging part for Wilson is that movement efficiency can improve with NBA-level development. If he sharpens that area of his game, his defensive upside could still surpass Boozer’s.
At the moment, though, Boozer’s physical strength, quicker lateral reactions, and advanced defensive instincts helped him grade out as the superior defender last season, even without Wilson’s shot-blocking tools or athletic pop.
2025-26 Defensive Metrics
Cameron Boozer
DRAPM: 4.2
DWS: 3.7
DWS/40: 0.12
Caleb Wilson
DRAPM: 1.9
DWS: 1.8
DWS/40: 0.10
While Duke’s overall defensive structure certainly benefited Boozer, it does not entirely explain the statistical gap between the two prospects. Wilson still has significant room for physical and technical growth, which is one reason he has consistently been viewed as fourth among the elite tier of prospects.
Perhaps the biggest challenge moving forward is that 210 pounds will likely be the lightest Wilson ever plays at during his professional career. Adding muscle while simultaneously improving lateral quickness is difficult, even for elite athletes. His underwhelming agility testing probably will not stop teams like the Chicago Bulls from selecting him fourth overall, but if that area never improves, it could prevent him from fully reaching his defensive potential. That would place even greater importance on the continued development of his jump shot, which may ultimately become the defining swing skill in his NBA future.