A.J. Brown has struggled to avoid headlines in recent seasons. The Eagles wideout has become one of the league's best pass-catchers in Philadelphia, striking a devastating battery (at times) with Jalen Hurts.
But he's also proven one of the league's more volatile personalities, often embracing the ambiguity of a cryptic tweet or smoldering look on the sideline. Brown's credentials as a player are undeniable. He has four consecutive 1,000-yard seasons and was named second-team All-Pro on three straight occasions.
Nevertheless, his antics frequently make him a target of criticism. His antagonizers relished in his latest outburst, which saw Brown clash with Eagles head coach Nick Sirianni during Philadelphia's wild-card matchup against the 49ers.
Here's what you need to know about Brown and Sirianni's latest fracas.
MORE: Inside Nick Sirianni's career playoff record, wins
A.J. Brown-Nick Sirianni sideline confrontation
Brown and Sirianni got into it late in the second quarter, jawing after a pair of passes directed towards Pro Bowl talent fell harmlessly to the turf.
The first pass spurned Brown's outstretched grasp. The second toss hit his hands, but Brown was unable to it scoop up after an unruly effort.
Should AJ Brown have caught this? Pic.twitter.com/FRrVRikjcz
— The Eagle Times (@_TheEagleTimes) January 11, 2026
Sirianni didn't appear too pleased with the latter of the two efforts. As the star wideout walked to the sidelines, he was greeted by his head coach. Sirianni chased down Brown and appeared to give him a few choice words. Brown responded by getting in his head coach's face before being separated by Philadelphia security chief Dom DiSandro.
Eagles WR AJ Brown and HC Nick Sirianni had to be separated on the sideline. Pic.twitter.com/Lr2xgP0171
— FOX Sports: NFL (@NFLonFOX) January 11, 2026
Additional angles showed the nature of Sirianni's sprint towards his polarizing superstar, as well as Brown's reaction to the incident.
Another look at the exchange between AJ Brown and HC Nick Sirianni on the sideline. Pic.twitter.com/Syn0hr0MFK
— FOX Sports: NFL (@NFLonFOX) January 11, 2026
After the loss, Brown declined to talk to the media. Instead he dapped up his teammates and left, per Brooks Kubena.
Sirianni, however, said postgame that he has "special relationship" with Brown.
"We've probably went through every emotion you can possibly have together.... That happens in this game, but I love him," Sirianni said.
"I have a special relationship with him. We've probably went through every emotion you can possibly have together.... That happens in this game, but I love him."
— SportsCenter (@SportsCenter) January 12, 2026
-Nick Sirianni on his exchange with A.J. Brown pic.twitter.com/GGWXfUsO2z
A.J. Brown-Nick Sirianni history
Brown and Sirianni's relationship has been shrouded in mystery in recent seasons. Although Brown has publicly claimed that he has no beef with Sirianni, he has made his frustration with his role abundantly clear at different points in his career. In 2024, Brown declined to speak with media following a pair of Philadelphia games, one of which was a loss to the 12-loss Cardinals.
Following that loss, Brown invoked an old adage he learned when he was child:
"Like I said after the game, I was raised that if I have nothing nice to say I'm not going to say nothing at all," Brown said, per ESPN. "So I'm not just about to compound the negative with the negative so you guys can write more negative stuff."
Sirianni has attempted to play peacekeeper between Brown and Hurts in the past. The Eagles play-caller took the heat off of Brown after he labeled Philadelphia's offense a "s—show" in early November.
"We are in tune with what’s going on here, the relationships we have here, and the process we have in here, and A.J. [Brown] is all in," Sirianni said, according to Essentially Sports.
In September, Sirianni praised Brown for his contributions to the Eagles amid rumors that the Eagles pass-catcher wanted out following a slow start to the season.
"Obviously, A.J. Is very important to this football team," Sirianni said, according to NFL.com. "I know he wants to contribute. I know he wants to contribute, and do the things that he's capable of doing. Again, he want to contribute to these wins, and he's had a couple of games where he hasn't been able to.
"I question nothing about his desire to play great football, his desire to be a good teammate, his desire to be here."