Eagle-eyed Chelsea fans have spotted Antonio Rudiger delievering a painful-looking slap to the bare back of team-mate Trevoh Chalobah as the pair celebrated their Club World Cup triumph in the changing rooms with the rest of the squad.
The Blues saw off Palmeiras 2-1 on Saturday in Abu Dhabi, thanks to an extra time penalty from Kai Havertz three minutes from the end after Romelu Lukaku's earlier 54th-minute strike in the regular 90 minutes had been cancelled out.
The win sparked jubilant celebrations in the dressing rooms afterwards, with Thomas Tuchel's men filmed jumping up and down on the club's official TikTok page.