A novice pilot in Argentina was forced to land a plane on her own after her instructor suddenly jumped out with no parachute, telling her "you know what to do".
She landed safely, but the instructor didn't survive.
If I was a footballer, I would just learn the most random sentences in the languages of my opponents in perfect accent. Whispering "I am quite fond of chamomile tea" to Haaland in perfect Norwegian would break his concentration more than any defending you could do...