A mysterious video has surfaced that shows a sparring session between a young athletic boxer and an old man wearing a wooly jumper.
The young boxer is all smiles initially, but the smile is soon wiped off his face by some vicious shots from the old timer, who used his veteran skill and the element of surprise to knock the lad off his feet.
There's shades of Mr. Miyagi beating up the bullies in The Karate Kid with this one.
via Bleacher Report.