Like their freaky last-second win in the Merseyside derby in December, when an absolutely inexplicable last-second blunder by Everton keeper Jordan Pickford gifted them another win, this was three points that Liverpool will need if they want to hold off Manchester City.
Liverpool legend Steve Nicol feels that goalscoring has become a bit of a worry for the Reds, unlike their title rivals Manchester City.
Sadio Mane believes Liverpool need to win all six of their remaining games to have a chance of lifting the Premier League title. Watford outshot United 20-8 and was a threat for almost the entire game, but as United has gone under Ole Gunnar Solskjaer, they held on despite not being the most creative team.
The Reds now sit on 79 points from 32 games, two points ahead of City, who have a game in hand.
But a Spurs team that looked stunned after the opener regrouped, and though they weren't getting clear opportunities, they ended the half knowing they weren't out of the game yet.
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Spurs' goal came courtesy of Lucas Moura, who was starting in attack with Harry Kane.
"I would just like to see them have a couple more players in the middle of the park with that sort of ability to change a game".
The last time Liverpool lost at Anfield in the competition was nearly two years ago when former club striker Christian Benteke scored twice for Crystal Palace who came away from Merseyside with a 2-1 win and all three points.
"At times, you look at these sorts of scenarios and think "yes, they didn't play very well and yes they were exceptionally lucky at the end". When the team is winning, that's more important'.
"When [Salah] goes through now, the first thing in your head is "he's not scoring", he told ESPN FC.
"For the semi-final and for the Champions League, being in the position in the Premier League where you know if you don't win you are going to lose the Premier League, maybe that's going to help us for the other competitions", said Guardiola. With Cardiff, in the midst of an intense relegation battle, this one could hurt for years to come.