The madness of March is not only a feast for NCAA basketball loyalists but also a paradise for card collectors as Sweet Sixteen contention stirs the pot of both emotional and financial stakes. The arenas are electrified with potential buzzer-beaters and fan heartbeats echo in rhythm with the courts, while elsewhere a fevered hunt rages, for the cardboard treasures of burgeoning basketball prodigies. Scouts scan courtside for NBA potential, and die-hard card collectors prowl digital marketplaces, each move on the parquet pushing both dreams and trading cards to dizzying new heights.

Take Cooper Flagg, a freshman phenomenon at Duke whose trajectory is as steep as it is foreordained. This 6’8″ powerhouse combines both grace and grit, leaving defenses scrambling and collectors rapidly snapping up any memorabilia bearing his name. The demand for Flagg is nothing short of exuberant, as reflected by the astronomical card values attached to this untried future NBA star. Consider his 2024 Topps Chrome McDonald’s All-American Red Refractor Auto /5 PSA 10, which recently auctioned for an eye-popping $11,000—a remarkable leap from its $9,500 valuation only days prior. He’s yet to set foot on an NBA court, but his card prices speak louder than many seasoned players’ careers.

Derik Queen, representing Maryland, has seized on the spirit of March with an unforgettable buzzer-beater that catapulted his team into the Sweet Sixteen, and his personal market into collectors’ hands. Queen’s adept play on court has not only entrenched his team in the tournament but has mesmerized card enthusiasts worldwide. One can almost feel the weight of his pivotal moment transferred onto a paper-thin, ink-signed collector’s item like the Bowman U Now card reflecting his March Madness moments. Meanwhile, a 1/1 Superfractor tied to another one-man dominion—a 22-point, 20-rebound eruption—was traded for $599. With pressure and spotlight intensifying, Queen’s latest releases, showcasing autographs numbered to 10, 5, and that coveted 1, beckon avid collectors toward decisive bids.

Let’s not overlook Kon Knueppel, also from Duke. Though less heralded, this freshman guard is quietly climbing draft projections and building card collector intrigue with equal finesse. Kon’s silky shooting was proven in a recent 25-point blitz against Miami. Right on cue, his performance merited a commemorative Bowman U Now card, securing $230 from those eyeing mid-to-late lottery futures. His résumé including an ACC Tournament MVP card is as stacked as a championship roster. Kon’s potential suggests there may yet be more peaks to ascend for patient, and perhaps prophetic, collectors.

Meanwhile, Arizona’s Carter Bryant stands poised on the cusp of mainstream breakthrough. Another 6’8″ talisman with an eye for defense and smooth perimeter play, Bryant’s card valuations sit modestly in comparison to others for now. Arizona’s looming Sweet Sixteen clash with Duke presents more than a mere contest—it is a gateway for Bryant to stun in primetime and propel his collectible paraphernalia from basement bargains to eBay top sellers. His safer bets —Base Prizm Draft Picks—are a bargain at a dollar, whereas rarities like a /25 auto and Black Gold /5 reach $49.99 and $102.50, respectively. A dominant display against an establishment powerhouse such as Duke could see these prices skyrocket quicker than a meteor shower.

Keep an eye on Duke’s Isaiah Demonte Evans as well, a low-profile yet fascinating prospect still warming the collegiate bench. Ranked 15th from last year’s star-studded recruiting class, the 6’6″ freshman has partaken in teasingly limited game-time so far. However, whispers among the collecting tribes suggest his promise is far richer than his minutes betrays. Recently sold items include his Topps McDonald’s All-American Drive-Thru Superfractor 1/1 for almost $200, paired with a Jersey Patch Auto /5 deal at $275. If Evans finds ample court time and a groove for conversion, store this as a rapidly appreciating asset.

As the Sweet Sixteen advances, so too does the fervor engulfing these ascending stars of the sport. The blend of national stage exposure and NBA potential creates an irresistible cocktail for fans turned investors. Whether through following the scoreboard or hunting the freshest cards online, there’s a golden ticket tucked somewhere for those audacious enough to seize it. As the courts light up and players rise to their moments, each possession could be the investment cue of a lifetime before the frenetic world cottons on to these emerging icons.

2025 Sweet Sixteen Cards Heating Up