Chelsea duo Oscar and Diego Costa have been involved in a training ground bust-up.
Express Sport understands the pair clashed at the club’s Cobham facility after a ‘hefty’ tackle from Oscar on Costa.
Costa then retaliated with an even stronger challenge leaving teammates stunned as they had to be separated.
However things are understood to have calmed down and the two were seen going towards the changing rooms together.
The Blues are in preparation for their FA Cup tie with Scunthorpe this weekend after getting back to winning ways against Crystal Palace last week.
That was new boss Guus Hiddink’s first win since replacing Jose Mourinho in what was a much-improved performance.
However today’s altercation will put the morale of the squad back into question.
Both players have markedly improved since the departure of Mourinho and combined last week to open the scoring against Palace.
Costa then hit his third goal in two games to round off the scoring.