Between them they have won 10 First Division titles and five FA Cups.
They also have the biggest grounds outside the Premier League and in terms of capacity rankings, they are both in the top 12 in the country.
But for Sheffield Wednesday and Sunderland, none of that matters right now. For at least one of them - or potentially both - will be spending another season in the third tier of English football. That is the bold reality for the fallen giants as they each attempt to plot a course to the Championship via the play-offs route.
