The damage done by that home defeat by Crystal Palace eight days previously does not feel quite so severe in the aftermath of this result and the slips endured by both Manchester clubs over the weekend, with Can's victor shifting Jürgen Klopp's team four points clear of fifth-placed United. "Even he can play better than he did tonight, but I'm not sure he can score nicer goals!"
'Our target is to play in the Champions League because with the quality of players that we have here and with a club like Liverpool, your target has to be to play in the Champions League. I think we've shown we have learned a lot.
Only Emre Can made this one memorable, by meeting a Lucas Leiva cross with a bicycle-kick to score in first-half stoppage time.
"The goal was spectacular, of course", Liverpool manager Klopp told Sky Sports. "We know what it means, not only for us, but also for the fans of the club", he told United Kingdom newspapers. But as ever, Liverpool like to make things hard for themselves, so we can only hold out breath and wait to see how the game turns out.
Liverpool moved three points clear of fourth placed Manchester City following their win on Monday night.
The only real negative for Liverpool was an early injury sustained by Philippe Coutinho, who hobbled off to be replaced by Adam Lallana in the 13th minute.
Mignolet knows that Liverpool will have to prove that they have solved this problem in their final games, but if they can do that, then Champions League football next season is theirs.
"We need to stay focused, we need to stay concentrated", said the German.
With less than 60 seconds left, Watford came within inches of netting a dramatic equaliser through Sebastian Prodl but after the ball had fallen invitingly for him inside the penalty area, he hit his volley against the crossbar.
Jurgen Klopp's men claimed an important 1-0 win at Watford on Monday to consolidate third spot in the table. He said, 'I'm going to try'.
Klopp will seek nine points from a possible nine as Liverpool head into their final few fixtures of the 2016-17 campaign, a time at which Coutinho will need to be at his best if he's to lead his team back into Europe's top competition.
'At the end I thought we were pushing them.we were unlucky not to come away with a draw.