Doc Rivers breaks silence on Jaylen Brown trade, cites crucial Tommy Heinsohn rule

Friday, at the Mohegan Sun in Uncasville, Connecticut, the 2026 Basketball Hall of Fame class held an enshrinement media availability ahead of their Tip-Off Gala Red Carpet event.

Among those getting inducted Saturday in Springfield, Massachusetts, is former Boston Celtics head coach Doc Rivers. He was the franchise's bench boss from 2004-05 to 2012-13. Most notably, his nine years at the helm included raising Banner 17 to the TD Garden rafters.

As Rivers reflected on his time with the NBA's original monarchy, noting, "I wouldn't be here without Boston," he also shared his reaction to his former team's decision to trade Jaylen Brown to one of their fiercest rivals.

Doc Rivers reacts to Jaylen Brown trade, invokes Tommy Heinsohn's "Sixers Rule"

As Brad Stevens stated at his press conference on the heels of this stunning blockbuster, "If that exact deal came from a team out West and you were comparing the two, then you probably take the team out West, but that's not the way it was working."

However, that wasn't the case, leaving the Celtics to send the former Finals MVP to the Philadelphia 76ers in exchange for Paul George and draft capital. The two first-round picks they received could prove quite valuable.

It was still a move that sent shockwaves through the NBA.

"I was surprised, like everybody else," said Rivers.

It was a stunning move that made him think about Tommy Heinsohn. On the team's plane rides, he sat by the franchise icon, who at the time was their TV color commentator.

After a loss to the Sixers, during Rivers' time as Boston's head coach, Heinsohn looked at him and delivered a critical message:

"Don't ever lose to the Sixers." 

It was a mandate that made clear to the Celtics' former bench boss that "this trade would've drove him crazy."

Why the Celtics traded Jaylen Brown to the Sixers

As Rivers noted a day before he gets enshrined in the Basketball Hall of Fame, "in Boston's view, they have a plan, and we'll see it play out."

George is a player who fits "Mazzulla Ball" better than Brown does. Sometimes, having a star who would draw outside the lines, e.g., his love of the mid-range jumper, was beneficial. Now, the Celtics want to see how it looks with a roster with complete buy-in, where everyone fits the system.

George can't shoulder the workload he once did, especially not over an extended period. And his resume includes multiple occasions when he didn't meet the moment in the playoffs. It's also important to point out that the latter started happening after a traumatic leg injury. He deserves nothing short of the utmost respect for the level he returned to after that gruesome moment while preparing for the Olympics.

And in the opening round of the postseason last year, Boston saw firsthand what he's still capable of. As the 76ers erased a 3-1 deficit, the nine-time All-Star outperformed Jayson Tatum and Jaylen Brown to close out that series.

The Celtics must carefully pace him, but his usage rate and expectations will both be reasonable. George is in a role he can perform well in. And between his reliable three-point prowess, underrated passing, low turnover rate, and effective perimeter defense, he fits like a glove in Mazzulla's system.

As stated earlier, the draft picks Boston got from Philadelphia could also be difference-makers. It's capital that, whether it's via trade or the selection of prized prospects, could help land Tatum another star running mate.

There is also the reality that, as previously explained, the Celtics had their reasons for trading Brown. For the organization and the fan base, it was tough to see a beloved figure depart. However, as Rivers realized, they had their reasons for doing so. Now, it's time to see what Boston can build in this new era the team is embarking on.

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