Chelsea boss Jose Mourinho reportedly made a reference to Arsenal manager Arsene Wenger at half-time during the club's 2-1 defeat to West Ham United at Upton Park on Saturday.
As reported by the Telegraph, one unconfirmed account claims Mourinho made a comment about the Gunners chief while in the referee's room in east London.
In fact, as well as speaking about Wenger, the same report goes on to suggest that Mourinho also swore at referee Jon Moss throughout the heated discussion.
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The Portuguese tactician was ultimately sent to the stands after becoming frustrated by the official's decision to send off Nemanja Matic and disallow a Cesc Fabregas goal.
With 10-men, Mourinho's side went on to suffer their fifth Premier League defeat of the campaign at the hands of Slaven Bilic's high-flying Hammers.
After yet another dismal afternoon for Chelsea, the Football Association could take further action against Mourinho, but will wait for Moss' match report before making a decision.
There should be no underestimating the importance of Chelsea's game against Liverpool this weekend. The west London outfit must secure all three points in their pursuit of redemption.
Sitting in 15th position in England's elite division, it's now extremely unlikely that the Blues will retain their title, but they will still be confident that they can secure a place in the top four.
Qualification for the Champions League is the bare minimum for Chelsea, but the dynamic at Stamford Bridge must change sooner rather than later.
Mourinho's top players just aren't performing right now, but a win on home soil against Liverpool on Saturday could kick-start their miserable season.
Will Chelsea secure a place in the top four? Have your say below!