Quiz: Football sportsmanship - the good, the bad and the dubious

Aston Villa fans surround the referee
Leeds and Aston Villa will both play in the Championship play-offs

Sportsmanship in football. When to kick the ball out, when to give it back to the opposition, what to expect from players - it's a bit of a grey area.

Leeds United scored against Aston Villa on Sunday when players had stopped because a man was down injured, prompting an angry reaction from the Villa players. Leeds boss Marcelo Bielsa told his team to let the opposition score a goal back. The game finished 1-1.

But the actions of both sides had plenty of people debating the obligations of good sporting behaviour.

So why not test your memory of similar incidents - celebrated and contentious - with our quiz?