Fifteen years ago, the suggestion a top-flight club could be relegated in successive seasons was unthinkable.
After all, in the first 20 seasons of the Premier League it happened just the once.
That was to Swindon Town, and even then there were special circumstances.
The Robins finished fourth bottom of the second tier in 1994-95 but were relegated because of the rebalancing of the divisions to reduce the Premier League to 20 teams.
In any other season they would not have suffered the double drop.
As such, it could be argued that Wolves were the first team to suffer a double drop from the Premier League after being relegated in 2011-12.
Since then it has happened four times in 14 seasons.
Or, after Sunderland went down in 2016-18, three times in nine seasons.
And then back-to-back seasons with Luton and Leicester.
Meanwhile, Wigan and Portsmouth were relegated to League One after a second season in the Championship, Leeds and Sheffield Wednesday after a third.
For Wolves, Sunderland and Leicester…