Neymar and Gianluigi Donnarrumma needed to be separated by their Paris Saint-Germain teammates after things got heated in the wake of the club's Champions League elimination.
PSG held a first-leg advantage over Real Madrid thanks to Kylian Mbappe's late goal at the Parc des Princes, and the French striker doubled the aggregate lead at the Bernabeu, only for Karim Benzema's hat-trick to turn the tie in the hosts' favour with a comeback described as "magic" by home boss Carlo Ancelotti.
There were question marks over Donnarumma for Benzema's first goal, with the Italian goalkeeper losing possession to the striker in the build-up, while the move for the veteran's second began when Neymar gifted the ball to Luka Modric in Madrid's half.
But it was Donnarumma's mistake that reportedly prompted the coming-together in the visitors' dressing room.
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According to Marca, the confrontation began with Neymar criticising Donnarumma for his mistake, with the Euro 2020 winner responding by pointing out his teammate's part in the goal, which levelled things up on aggregate.
The Spanish publication reports that the pair "almost came to blows," with others in the dressing room forced to step in to prevent things escalating further.
More details have also emerged concerning a post-match incident involving PSG president Nasser Al-Khelaifi and sporting director Leonardo, who are understood to have attempted to enter the referee's changing room after the game.
"The president and the technical director of PSG showed aggressive behaviour and tried to enter the referees' locker room. When the referee asked them to leave, they blocked the door and the president deliberately hit the flag of one of the assistants, breaking it," the referee's report reads, as relaid by Marca.
L'Equipe's player ratings for the second leg laid the blame at the feet of PSG's goalkeeper and centre-backs, with Donnarumma given a 2/10 rating.
Marquinhos was also awarded 2/10 after his attempted clearance set up Benzema for the winner less than a minute after the Frenchman's second goal, while fellow central defender Presnel Kimpembe got a 3/10 rating.
Pochettino was handed a 4/10 after his team's collapse, but the Argentinean coach pointed the blame at referee Danny Makkelie after what he considered a foul by Benzema on Donnarumma before the 61st-minute goal.
"Real's first goal changed the match," Pochettino told Canal+.
"I wonder what the VAR is doing because for me there is something else. It's a shame, when you see the action. [It is] a foul.
"It's impossible not to talk about this big mistake made by the referees. It's hard not to accept.
"After that, the match changed. For 60 minutes we dominated, that goal changed everything. It's incredible that this is happening in 2022."