Mark Clattenburg was left visibly stunned after seeing a yellow card shown during the Sidemen charity match reversed back to him by a superbly-timed Uno stunt.
The former Premier League and FIFA official, who refereed in the top-flight between 2004 and 2017, took charge of the showdown for the second year running.
However, despite the game being held to raise money for charity, Clattenburg was forced to reach for his cards after a particularly rash tackle at the London Stadium.
Indeed, with the Sidemen leading 6-4 against the YouTube All-Stars and with just 12 minutes left on the clock, Max Fosh steamed into a challenge on Simon Minter.