Yaxel Lendeborg: Basketball Age and the Case for an Outlier
- Logan Eby
- 7 minutes ago
- 8 min read
What Is Basketball Age?
One concept I have become fascinated with recently is the idea of “basketball age.” First floated to me by PD Web during a conversation at the Final Four, the concept feels especially fitting when applied to Yaxel Lendeborg, one of the more unusual developmental stories in recent college basketball.
At that same Final Four in Indianapolis, Lendeborg became one of the clearest examples of basketball age in action. He helped lead Michigan to the national title, solidifying the Wolverines’ place among the best teams in recent college basketball history. Michigan finished 37-3 overall with a ridiculously good adjusted net rating of +35, per CBB Analytics.
His path to national stardom and NBA Draft prospect status was anything but normal. The Puerto Rican and Dominican prospect did not begin playing basketball in a serious capacity until he was 18. He admittedly struggled with focus and drive for basketball at times in his youth, and it was his mother who essentially forced him to attend Arizona Western College, a decision that jump-started his path to where he is now.
The Unusual Starting Point
Lendeborg produced immediately during his time at Arizona Western, but the level and kind of production were not even remotely close to what he has become known for. At that point, he was simply a big man who had developed a motor for the glass, had good measurements, and showed touch around the rim, which allowed him to develop into a physical finisher.
In his freshman season, Lendeborg recorded only eight total assists to 12 turnovers, averaged less than one steal and one block per game, and shot 55% from the free-throw line. That profile was far from the knockdown shooter and turnover-avoidant stocks generator he is today, with stocks serving as shorthand for steals plus blocks.
In his second and third years at Arizona Western, Lendeborg began to hit his stride. He consistently defended at a high level and began to play more on the perimeter, showcasing some of the driving skills he is now known for, but without the shooting gravity to draw hard closeouts. Even then, his feel was still not up to par. He turned the ball over as often as he recorded assists, but for a perimeter big, the flashes were there. He would routinely have possession where he seemed unsure of what to do, and he was nowhere near where he is today.
Upon transferring to UAB, Lendeborg’s overall production almost translated 1:1, but the most important change in his developmental outlook was the sudden leap he made as a free-throw shooter. He went from a 68% free-throw shooter in his second and third seasons at Arizona Western to an 80% free-throw shooter at UAB, indicating better touch than his previous profile had suggested. He took that free-throw leap and also went from shooting half a three-pointer per game at AWC to one per game at UAB. He was still a center, but the signs of at least a stretch big were there.
The First Transformation
His first major transformation is where the idea of basketball age becomes especially relevant. In his age-22 season, the normal age of a senior-class NBA draftee, Lendeborg morphed into an unusual blend of player types. He became something close to a point-center, akin to offensive hubs such as Trayce Jackson-Davis and Amari Williams.
What made him different from those players, though, was how much more unassisted he was while also taking more jumpers. The closest statistical comparisons among players with NBA anthros were Jackson-Davis and Williams, due to their combination of rebounding, passing, and rim protection. The fact that Lendeborg outperformed them in wing-adjacent production areas while playing most of his minutes at the 5 bodes well for his future.
At UAB, he led a top-60 offense when he was on the floor through nearly all of his own self-creation and rebounding impact. The two offensive factors in which UAB was remotely productive were turnover rate and offensive rebounding, both driven directly by his production, as his assist rates indicate. That also shows up in his WOWY data, or with-or-without-you on-offs, where he was the primary driver of a seven-point offensive swing per 100 possessions and a nine-point defensive swing.
Yaxel even boosted the team’s three-point rate, something that was badly needed. Dragging a bottom-15 offense in 3PAr to a top-60 finishing point deserves flowers on its own.
Just as important, he maintained his defensive production while taking that offensive leap. His steal percentage improved from 1.4% to 2.8%, moving him from a solid number for a big to an elite number for a wing. The signs of Wing Yaxel were clearly there; he just needed to solidify the role.
The Michigan Leap
After testing the NBA Draft waters, Lendeborg ultimately entered the portal and transferred to Michigan, where he began his second transformation in just 24 months. To become an NBA wing, he needed to improve as an outside shooter. He came back as one of the most productive wings in college basketball.
His three-point volume jumped from 3.2 attempts per 100 possessions to 8.4, while his overall percentage improved. He also took another step at the free-throw line as a touch indicator and removed turnovers from his outlook almost entirely.
Now, Lendeborg profiles as one of the more coveted wing types in the draft. He shoots threes, crashes the offensive glass, provides ancillary playmaking with his ability to make kickouts and throw lobs, and brings significant positional versatility defensively. He can guard up and down the lineup while generating stocks.
The biggest flaw in his profile is simply that he will be 23.7 years old on draft night, which would make him one of the oldest players selected in the first round in over a decade. The recent history of super-senior-aged draftees is not especially promising either. The biggest hit among recent 23-year-old draftees is Tristan da Silva, who has been around an average NBA player, while the lows of Chris Duarte and Dalton Knecht likely still ring in the heads of NBA GMs.
Why Basketball Age Matters
The difference with Lendeborg is that he is not the average 23-year-old because of his basketball age.
Some believe there is a developmental runway. With enough reps, players tend to progress. For example, Cameron Boozer had access from a young age to high-level trainers, AAU coaches, and shooting coaches. As the son of a former NBA player, Boozer was positioned early to follow a serious basketball path.
Most NBA draftees are on this path now. The influence of money and private equity on AAU and other forms of prep basketball has accelerated the rate at which players are trained by the best.
Lendeborg, on the other hand, did not receive any serious coaching until the age of 18. Even compared with an average late bloomer, one who does not pop until the AAU summer before his sophomore year, Lendeborg’s path begins roughly three years later.
If you scale down Lendeborg’s basketball age, he is closer to that of a near-21-year-old, an average-aged junior, who probably should have been drafted last season as a “sophomore.” This even aligns with his career path, as Lendeborg’s three JUCO seasons can functionally be compared to playing high school ball on a prep circuit of EYBL Scholastic or Grind Session quality, where the talent level of those prep leagues often far surpasses JUCO despite the age differences.
Lendeborg then “hit college” as a basketball-aged 18-year-old, played two seasons at UAB, transferred to Michigan, and became one of the best players in the country.
This makes his developmental trajectory easier to understand. If you think of his basketball age as younger than his real age, the idea that a big man can go from shooting 55% from the free-throw line to 83%, while taking half of his shots from beyond the arc, starts to make more sense. This level of shooting development is more common in younger players.
The Cognitive Case
His developmental curve is nearly a straight upward line. Much of that, I believe, stems from the inherent cognitive load baked into his skill set, which is rare among late-bloomers.
Those cognitive indicators are based on a concept coined by Avi Chauhan known as OAS, in which offensive rebounds, assists, and stocks serve as indicators of cognitive ability.
Think about what it takes to get an offensive rebound. It requires feel to read the ball in the air and know when to cut, making it a cognitive play. Assists are obviously cognitive as a court-mapping skill, and stocks are cognitive because they require defensive court mapping, as well as timing. Athleticism is baked in, too, as offensive rebounds and stocks require burst and/or length, but Lendeborg fit this paradigm early in his basketball age while also having NBA anthros.
As a sophomore at Arizona Western, he posted 4.5 offensive rebounds per game, 2.6 assists, and 2.7 stocks. Those are all high-rate indicators, and they are part of what separates him developmentally. Despite being young in terms of his basketball age, Lendeborg still showed this level of cognition.
Having positive feel and athleticism while developing his touch at such a high level is what separates Lendeborg from similar prospects who started playing basketball late. Recent middling-to-poor producers in this archetype, such as Yves Missi, Michael Olowokandi, and Hasheem Thabeet, all struggled on the cognitive front. Even the best of those players, Missi, hits a higher OAS threshold than the other two.
The success stories on this path, such as Joel Embiid, Pascal Siakam, and Luol Deng, have all hit similar feel thresholds, possessing some level of offensive rebounding, passing, and defensive event creation that separates them from other late arrivals to the game.
Simply put, Lendeborg’s cognitive understanding of the game is extremely high despite arriving so late. What is most impressive, though, is that he continues to improve on that front. The 1.0 assist-to-turnover player at Arizona Western turned into a 3.0 assist-to-turnover player in the Big Ten. That kind of rapid development has to make you stop and think about what else is possible.
The Off-Ball Wing Argument
By the statistical thresholds used here, Lendeborg fits the ideal of a nearly perfect off-ball wing. When querying for wings in college basketball history, nobody has sustained Lendeborg’s level of shooting volume, touch, offensive rebounding, passing, and stock production while having at least 15 dunks, despite query thresholds that are far below his actual output.
The perfect off-ball wing wins the true-shooting battle by taking and making threes on volume, finishing on off-ball attacks, crashing the offensive glass to win the possession battle, avoiding turnovers, providing ancillary playmaking, and winning the defensive true-shooting and turnover battles by generating stocks.
Lendeborg checks that combination of boxes at a historic level, and that impact footprint should be noticed, as the perfect off-ball wing would have a substantially high per-minute impact.
Skeptics would say that his age and creation load indicate that higher, star-level outcomes are not possible. But Lendeborg has an absurd impact imprint reminiscent of per-possession game winners such as Derrick White or Alex Caruso, and he also has a creation history dating back to his second UAB season.
If Lendeborg’s feel and athleticism can continue to shine through, some level of second-side creation is possible. He is only beginning to experiment with his own creation, and he was even more unassisted from three at Michigan than he was at UAB.
The NBA Draft Question
What was so special about what Lendeborg did this year is that he fit exactly what Michigan needed him to be. The year before, he fit exactly what UAB needed him to be. He did both nearly perfectly.
Lendeborg’s perceived flaws are simply a reflection of where he is in his developmental trajectory, and the case for a false ceiling is obvious. He has NBA anthros, NBA feel, NBA touch, and a history of creation.
There is, of course, the consideration that comes with team-building timelines. Yaxel’s body could begin to decline by the time he finishes his second contract, when he would be over 31 years old. That matters. But for any team looking to win in the next four years, Lendeborg should be a serious target.
There may not be another prospect in this draft quite like him.
