Jose Mourinho didn't earn his nickname "the Special One" for no reason - he's unlike pretty much every manager out there.
Whether it's pelting down the touchline and sliding on his knees at Old Trafford, driving referees out of the game with his conspiracy theories or, y'know, winning the odd trophy here and there, Mourinho is certainly one of a kind.
Now the Chelsea boss has another story to tell the grandchildren when he eventually decides to retire; he's completely wiped out singer Olly Murs during what was meant to be a charity match.
Mourinho was coaching a "Rest of the World" team of former pros and celebrities against England at Old Trafford for SoccerAid - a yearly game set up by pop star Robbie Williams to raise money for Unicef.
Despite the fact that his side were winning, the Chelsea manager decided he's seen enough from his side and took matters into his own hands - running onto the pitch and sending Murs tumbling as he tried to drive England forward.
The smile on his face afterwards suggested he was quite enjoying himself....
Check out the video of the Chelsea boss above!