Chelsea midfielder Oscar has denied he was involved in a training-ground fracas with team-mate Diego Costa.

The Telegraph reported that the duo had to be separated  following an “outrageous” challenge from Oscar.

But Oscar tweeted that he would “never fight” his team-mate, who he described as “one of my best friends”.

Oscar tweet snip

Oscar laughed off the incident on Twitter

Chelsea face League One side Scunthorpe in an FA Cup third-round clash on Sunday.

Blues interim manager Guus Hiddink may be asked about the alleged standpoint in his news conference on Friday.