Maurizio Sarri appeared to storm out of training on the eve of Chelsea's Europa League final clash with Arsenal.
Footage from BT Sport appears to show team-mates Gonzalo Higuain and David Luiz exchange words after a heavy challenge from the former, who is on loan from Juventus.
The Blues took part in a full session at the Baku Olympic Stadium on Tuesday ahead of Wednesday's clash, when the clash appeared to get under the skin of the Italian manager, who is said to be a target for Juventus.
About an hour into the session, Sarri marched towards the tunnel and twice threw his baseball cap into the ground.
- Watch the clip below...
Tempers fraying in the Chelsea camp? 😡
— Football on BT Sport (@btsportfootball) May 28, 2019
Higuain and Luiz come together in training and Maurizio Sarri is furious! pic.twitter.com/obSZ51KGGd
Chelsea were approached for comment on the matter, which came just hours after Sarri had revealed the growing love for his players amid rumours surrounding his long-term future.
Sarri has already led Chelsea to next term's Champions League courtesy of a third-place Premier League finish, but doubts remain over his Stamford Bridge tenure after an often fractious first campaign in London.
"The beginning of the season was really very difficult for me to understand my players, the mentality," said Sarri.
"But after a very difficult month in January, in February they started to change, I think, probably I changed, I don't know.
"In this moment I love them, because I have 20, 22 wonderful men and wonderful players. So now I am really very happy with them.
"And of course I have to consider it for the future. And I have to consider that I love English football, I love the Premier League."
Asked if he could end up at Juventus next season, Sarri added: "I want to think only to the final of course, then I have a contract with Chelsea for two years.
"So first of all I will speak with Chelsea, but this is not the moment. Now we have only to think to the final."
