Gini Wijnaldum opened the scoring before Firmino doubled the Reds lead and Jurgen Klopp's men held on in stoppage time as Erik Lamela pulled one back.
Winners of their first five league games for the first time since 1990, Liverpool returned from the worldwide break to blank a lethargic Tottenham side that have failed to capitalise on the emotion of their 3-0 win at Manchester United on August 27.
Chasing a first English title since 1990, Liverpool swept to a fifth successive win at the start of the Premier League on Saturday with goals from Georginio Wijnaldum and Roberto Firmino clinching a 2-1 win at Tottenham.
"If it's late in the season that you see you have a chance to do that or do this and all that stuff". Simon Mignolet has been replaced in goal by the £66 million summer signing Alisson Becker, while Lovren, Joel Matip and Alberto Moreno have all been dislodged in the months since.
Liverpool started the game in extremely quick fashion, which resulted in the ball being in the back of the net within the first minute.
The latter two will start the game at Wembley while Fabinho will start the game from the bench.
"Tottenham won't be happy but because we were so good, it was hard for them". They were the most stable players in the squad. Fantastic we won all of them, fantastic we improved during the season.
Liverpool now have the depth that they lacked a year ago, though, and they also have extra quality.
Liverpool feel and look vibrant, but Spurs are beginning to look stale and predictable.
Liverpool's impressive close-season in the transfer market threatened to consign Milner to a bit-part role but the former England midfielder appears more vital to their cause than ever. "That is how it is, the body needs the time only to calm down from an intense season - they didn't have it".