Sheffield United boss Nigel Clough could not explain his side's poor display in their 3-0 defeat at relegation rivals Crewe.
Crewe were indebted to prolific striker Chuks Aneke, who took his goal tally to 10 for the season with two stunning finishes which sent United packing.
Substitute Byron Moore added a last-gasp third to seal the win as Steve Davis' men negotiated an uneasy period of dominance from Nigel Clough's struggling side after the interval.
Clough said: "I'm at a bit of a loss wondering where that performance came from after how we did against Fulham last week.
"I thought we had a good go for 20 minutes in the second half and if one of the half-chances we had had gone in then it changes the game.
"But if we waste 45 minutes like we did then you don't deserve anything out of it.
"We pressed and we might have got one or two falling for us, but when you are pressing it leaves you open as it did in the 94th minute.
"I'm incredibly disappointed. It puts more pressure on us now and although we've got 19 games and have got time, the Shrewsbury game next weekend is all important."