Chelsea manager Jose Mourinho reportedly targeted Everton boss Roberto Martinez in a foul-mouthed rant following his side's third defeat of the season.
The Premier League champions are just two points off the bottom three and are 11 points behind current leaders Manchester City.
Following the Blues' 3-1 defeat to Everton at Goodison Park on Saturday, Mourinho was angry that Martinez was to carry out his post-match media duties before him.
According to the Daily Star, Mourinho turned to Martinez and said: "Roberto next time tell [them to let] me go before you because we have to travel."
Martinez responded with, "we don't control that Jose, I don't control that," which left an exasperated Mourinho to say, "fucking hell".
In five league games this season, Chelsea have lost three, drawn one and secured just a single victory.