A new report claims some people around the NBA believe Jaylen Brown’s confidence has become an issue, with concerns about how he approaches relationships within a team environment.
Speaking on his show, Colin Cowherd said he had spoken with two NBA sources, an executive and a scout, who shared similar opinions about Brown.
“I had two NBA sources … two people in the league, one an executive, one a scout, say that Jaylen Brown has – it’s a disease. He suddenly thinks he’s the smartest guy in every room he’s in.”
Cowherd added that those sources believe Brown has become increasingly resistant to outside input as his career has progressed.
“You make a lot of money, suddenly you’re absolutely sure, you don’t wanna listen to your bosses, you don’t wanna listen to consultants, you don’t wanna listen to teammates.”
NBA sources believe Jaylen Brown thinks he’s the smartest person in the room, per @colincowherd
— NBACentral (@TheDunkCentral) July 2, 2026
“I had two NBA sources … two people in the league, one an executive, one a scout, say that Jaylen Brown has — it’s a disease. He suddenly thinks he’s the smartest guy in every room… pic.twitter.com/aBhgNSfXiF
