FC Porto is about to enter the pressure cooker that is Anfield on a European night.
Mohamed Salah then forced Casillas into a low save with a sharp shot on the turn, but the Egypt worldwide should have done better in the 22nd minute when he placed the ball wide when through on goal, after picking off a sloppy Porto pass.
"This is a stadium that is going to help us achieve all that we want", says Spurs boss Mauricio Pochettino, but he knows the size of the task facing his team against a City side that scored 72 goals since Boxing Day.
While Salah may be the quickest ever Liverpool player to reach the 50-goal EPL mark, the former Chelsea star occupies third spot in the all-time ranking of players who have done so for a single EPL club.
The Guinean got the benefit of a big deflection off Oliver Torres as his strike from the edge of the area left veteran goalkeeperIker Casillas helpless.
Porto defender: Salah-Firmino-Mane? They will not pass from me!
In the same attackAlisson batted the ball against Alexander-Arnold when conceding a corner, and after surviving a VAR penalty review for a handball Liverpool were nearly undone from the resulting delivery as Marega again found space, but this time could not get enough contact on his twisting volley.
Marega then squandered two chances, the first Alisson saving with his legs, before Keita's searching pass picked out the charging Henderson only for Firmino to blaze over.
Barcelona manager Ernesto Valverde has praised the quality possessed by Manchester United ahead of their Champions League clash. "And, clearly, they believe".
"It doesn't change anything; I will go there and try to give everything with my teammates to win there".
Liverpool FC booked their place in the Champions League last four thanks to a 3-1 win at Bayern Munich at the Allianz Arena in the round of 16.
European Union commissioner: No-deal Brexit 'simply crazy'
Meanwhile, the government has taken steps to ensure the United Kingdom can take part in European Parliament elections on 23 May. And he said to Labour MPs who support the Bill: "Understand the damage you are doing to this institution".