Oh dear - Everton's top scorer this season*, Andy Townsend, out for the rest of the season: https://www.bbc.co.uk/sport/football/60842736
* across all competitions
Not quite starting from the same high, but Sunderland Are A Big Club's demise from PL to League 1 in 2 seasons was pretty impressive/hilarious, particularly as they have now reached the playoffs but failed to get promoted 4 seasons in a row...