Sheffield United and Sunderland face off today in the Championship play-off final, with a place in the Premier League up for grabs. What is often said to be the most lucrative game of football in the world, the financial windfall for promotion to the top flight is now worth an estimated £220million to the winner.

The record of the playoff winner surviving in the Premier League is decidedly mixed, but Brentford and Nottingham Forrest provide positive examples

The play-off weekend kicks off with the Championship as Sheffield United looks to go straight back up while Sunderland seek a Premier League return after a nine-year hiatus