“Painful” is the word Chris Wilder routinely chooses to describe this season but it turned positively agonising as Burnley inflicted more unsightly wounds on his Championship-bound Sheffield United side.
No metaphorical plaster is likely to be large enough to hide the psychological damage gleefully delivered as the visitors recovered from a shaky start to play with the newfound belief befitting a side that has lost one of its past seven Premier League games.