NBA Rumors: ESPN Suggests Cooper Flagg-for-Devin Booker Blockbuster Between Suns, Mavericks

NBA Trade Rumors: ESPN Suggests Cooper Flagg-for-Devin Booker Blockbuster Between Suns, Mavericks

With the 2025 NBA Draft looming and Cooper Flagg widely expected to go No. 1 overall, ESPN’s Andre Snellings has floated a trade scenario that could reshape two Western Conference franchises. In this bold hypothetical, the Dallas Mavericks and Phoenix Suns would swap flagship assets—Devin Booker and the No. 1 pick, presumed to be Flagg—in a massive trade proposal.

Proposed Trade

Suns receive:

No. 1 overall pick (Cooper Flagg)
Klay Thompson
P.J. Washington
Naji Marshall
Caleb Martin

Mavericks receive:

Devin Booker
No. 29 overall pick
2028 first-round pick
2029 first-round pick swap

Trade Analysis

For the Suns: Time to Rebuild Around Flagg?

Trading Devin Booker, the heart and soul of Phoenix basketball for nearly a decade, would signal a full-scale rebuild. The return — headlined by Flagg — gives them:

A generational prospect in Cooper Flagg
Several tradeable veteran assets (Martin, Marshall, Thompson, Washington) who could be flipped for picks or prospects
More financial flexibility and a long-term runway

Flagg is considered one of the most complete two-way prospects in years, and his arrival would effectively reset the Suns’ timeline — from a win-now to a build-for-later mode.

Still, the Suns would be parting with a three-time All-Star in his prime, and the optics of dealing Booker could be hard to sell to fans unless Flagg immediately lives up to expectations.

For the Mavericks: All-in on Luka and Booker

Pairing Devin Booker with Luka Dončić gives Dallas one of the most potent offensive duos in the NBA, immediately raising their title ceiling—if healthy. But the price is steep:

The Mavericks part ways with four rotation players, including key postseason contributors.
They give up the No. 1 pick, missing out on the chance to land a cost-controlled, elite rookie.
They bet on win-now at the expense of long-term depth, particularly with Kyrie Irving rehabbing from a torn ACL.

However, Booker could be the perfect backcourt complement to Dončić, offering elite shot creation, spacing, and lessening Luka’s offensive burden.

Would Either Side Say Yes?

Phoenix Suns:

Say yes if they commit to a rebuild
Say no if they want to retool around Booker, Durant, or Beal (unlikely with cap constraints)

Dallas Mavericks:

Say yes if they believe Luka-Booker is a championship core
Say no if Flagg is seen as too valuable to trade, or if the roster depletion is too great

Bottom Line

This potential Flagg-for-Booker swap is high-risk, high-reward for both teams:

Suns would gain the NBA's most hyped prospect and flexibility for the future
Mavericks would add a star to win now but thin out their rotation and depth

It’s the type of deal that only happens if both teams commit fully to radically different paths—one toward contention, one toward reinvention.