On Wednesday night Manchester United overcame a two-goal deficit from their first-leg tie against Greek giants Olympiakos to progress to the Champions League quarter-final.
United comebacks were something which everybody became accustomed to during the Sir Alex Ferguson era.
There was no other manager who had the same ability to induce a never-say-die attitude into every single one of his players.
His successor David Moyes has proved to be anything but the king of comebacks, but he will certainly have enjoyed the buzz of defying the odds.
Over the years, the Red Devils have produced some of the most breathtaking performances which have seen them come back from the dead more times than Kenny in South Park.
Here are their greatest ever comebacks from the Champions League...