Dallas flipped Ryan Nembhard for former No. 1 pick Zaccharie Risacher, adding another high-upside building block beside Cooper Flagg.

The Dallas Mavericks didn’t solve every roster problem with their latest trade.

They may have found something far more valuable: another potential cornerstone.

Dallas acquired Zaccharie Risacher from the Atlanta Hawks in a three-team deal that sent Ryan Nembhard to Atlanta and Luguentz Dort to the Hawks from Oklahoma City. The Thunder received three future second-round picks.

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For the Mavericks, this wasn’t about positional balance. It was about taking a massive swing on talent.

ESPN Trade grade: B+

Risacher, the No. 1 overall pick in the 2024 NBA Draft, gives Dallas a 6-foot-8 wing with length, athleticism and considerably more upside than the player it surrendered. Nembhard helped steady the Mavericks’ backcourt last season, but turning an undrafted reserve guard into a recent top pick is the kind of gamble a franchise short on premium draft assets has to make.

The move also gives Dallas a fascinating young foundation.

Risacher will now share the roster with Cooper Flagg, meaning the Mavericks own the top selections from the 2024 and 2025 drafts. That doesn’t guarantee either player becomes a superstar, but it gives Dallas two high-end developmental bets at a time when the franchise desperately needs younger talent.

There are obvious questions, and not everyone understands the move, including me. NBA analyst Kevin Gray is one of them.

This is the first Masai Ujiri/Mike Schmitz move in trading for Zaccharie Risacher I just simply don’t get…#MFFL

— Kevin Gray Jr. (@KevinGraySports) July 19, 2026

The Mavericks already have a crowded collection of forwards, and Risacher doesn’t address their need for additional ball-handling after Nembhard’s departure. Dallas also has to determine how Risacher fits alongside Flagg and the team’s veteran frontcourt pieces.

That could make the rotation awkward in the short term.

But this trade shouldn’t be judged solely on next season’s depth chart.

Dallas can absorb Risacher into the trade exception created by the Anthony Davis deal, giving the organization a full season to evaluate him before facing a decision on a possible extension next summer. Risacher could otherwise reach restricted free agency in 2028.

That flexibility matters.

If a change of scenery unlocks Risacher, the Mavericks will have stolen a former No. 1 pick without surrendering a first-round selection. If he fails to develop, Dallas hasn’t torched its remaining draft capital or taken on an impossible long-term commitment.

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That’s why the grade stops short of an A. Risacher remains more projection than proven production, and the roster fit isn’t clean.

Still, the Mavericks chose upside over comfort.

For a franchise attempting to build its next era around Cooper Flagg, that’s exactly the kind of calculated risk Dallas should be taking.