The Boston Celtics are not done tinkering. Even after winning a title and chasing Giannis Antetokounmpo earlier this offseason, the front office is still listening on Jaylen Brown. And according to NBA insider Chris Mannix, the name that keeps surfacing as a potential target is Cleveland’s Evan Mobley.
Mannix said on ESPN Cleveland that multiple teams told him the Celtics have interest in Mobley. The fit makes some sense on paper. Mobley is a 24-year-old defensive anchor with legitimate length and versatility. He would pair with Kristaps Porzingis to give Boston a frontcourt that could switch everything and protect the rim. Brown, for all his scoring punch and Finals MVP hardware, is entering the back half of his prime on a supermax contract that gets more expensive every year.
But here is where the whole thing gets stuck in the mud. The Cavaliers are a second apron team. That means they cannot aggregate salaries in a trade, cannot take back more money than they send out, and are operating under the most restrictive set of rules the current CBA has to offer.
“Now, if it is a deal they’re interested in, it is a complicated deal to make because the Cleveland Cavaliers are a second apron team,” Mannix said. “They need to match dollar for dollar value with the player that goes out.”
Which basically means any Brown-for-Mobley swap would require the contracts to nearly perfectly align. Brown is owed roughly $52 million next season. Mobley is on his rookie extension starting at around $39 million. That gap is not trivial. The Cavs would need to add salary filler — maybe Jarrett Allen or Caris LeVert — just to get the math to work. And even then, Cleveland has to ask: does swapping a young, ascending defensive star for a 28-year-old wing who can be an uneven fit as a primary creator really move the needle?
Boston is clearly open to big swings. Shams Charania reported that the team continued to listen on Brown talks even after the Giannis negotiations fizzled. That does not mean a trade is happening. It just means the door is not locked.
The appeal of Mobley and the reality of the cap
Mobley gives Boston something it does not currently have: a true defensive center who can also guard on the perimeter and pass from the high post. He would slot in as the primary rim protector and let Porzingis float as a help-side shot blocker and spacing five. On offense, Mobley is not a floor spacer yet, but his playmaking and cutting ability could work with Jayson Tatum as the lead ball handler.
Still, trading Brown for a player who has never averaged 20 points per game is a gamble. Brown just averaged 25 points, 6 rebounds, and 5 assists in the playoffs while playing elite defense. His two-way production is proven under the brightest lights. Mobley’s playoff resume is shorter and includes a brutal first-round exit in 2024 where the Cavs looked lost offensively.
There is also the human element. Brown is beloved in Boston. He has been the steady presence through the Kyrie Irving years, the bubble run, and the title. Moving him would be a shock to the locker room and the fanbase. But the Celtics front office has never been afraid to make the cold calculus if they think it improves the team long-term.
As things stand, this feels more like due diligence than a deal on the verge of happening. The second apron is a brick wall for a trade like this. Brown’s contract is massive. Mobley is not quite there yet. Getting the salaries to line up would take creativity, flexibility, and a willingness from Cleveland to blow up a core that just made the second round.
Mannix is not saying the trade is happening. He is saying the interest is real. That alone is enough to keep the rumor mill churning all summer.

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