Virgil van Dijk believes Liverpool’s attacking trio in Mohamed Salah, Roberto Firmino and Sadio Mane can be “undefendable” following their 5-1 win over ArsenalThe trio scored all of Liverpool’s goals on Saturday at Anfield as they extended their lead at the top of the Premier League to seven points from Manchester City.The Reds have won their last nine league games now with City coach Pep Guardiola suggesting they may be the world’s best team right now.“We were almost perfect. We conceded the goal. That was the only thing,” said Van Dijk, according to FourFourTwo.“But it was an important win. We have finished 2018 now pretty well, and hopefully, we can keep that going.“Confidence is definitely here, but it can change over a couple of games. We won’t get carried away.Liverpool legend Nicol slams Harry Maguire’s Man United form Andrew Smyth – September 14, 2019 Steve Nicol believes Harry Maguire has made some “horrendous mistakes” recently, and has failed to find his best form since joining Manchester United.“We need to keep doing what we have been doing. There will be setbacks, as there always is in life, but it’s how you react and so far we have been doing pretty well.”Salah, Mane and Firmino have scored a combined total of 28 of Liverpool’s 48 Premier League goals this season.“At the beginning of the season, people were saying they [the front three] didn’t click,” said Van Dijk.“They’re fantastic. You see in this game as well and they can be undefendable. It’s scary — and I’m happy to see that.”Jurgen Klopp’s side will next take on City on Thursday at the Etihad Stadium with kick-off set for 21:00 (CET).