<p>Liverpool manager Jurgen Klopp said the Reds must "reinvent" themselves after a poor start to the season was compounded by a 4-1 defeat to Napoli in their Champions League opener on Wednesday.</p>.<p>The margin of defeat equalled Liverpool's worst ever in the Champions League and could have been even more severe had Alisson Becker not saved a first-half penalty from Victor Osimhen.</p>.<p>Piotr Zielinski scored twice either side of two well-worked strikes from Andre-Frank Zambo Anguissa and Giovanni Simeone for the Italians to put Napoli 4-0 up early in the second half.</p>.<p>Luis Diaz pulled a goal back for last season's beaten finalists, but the Colombian was one of very few bright sparks on a night that exposed Liverpool's early season problems.</p>.<p>The Reds have won just two of their opening seven games of the campaign and sit seventh in the Premier League, already six points off the top of the table.</p>.<p>"It looks like we have to reinvent ourselves," Klopp told BT Sport.</p>.<p>"There are a lot of things lacking. The fun part is we need to do that in the middle of a Premier League season and a Champions League campaign.</p>.<p>"In three days we play against Wolves and when they saw the game tonight they cannot stop laughing and think it is the perfect moment. I would think it is the perfect moment, but we have to try to find a set-up to be much better in everything."</p>.<p>There is little time for Klopp to find solutions with Ajax at Anfield and Chelsea away also to come in the next 10 days before an international break.</p>.<p>"We were not working as a team," added Klopp. "We don't play good enough that's clear, that's obvious and everybody sees it.</p>.<p>"We play in the strongest league in the world and have a strong Champions League group but that's the job to do.</p>.<p>"It's my responsibility. I need time to think about it, it's my job to find it out and we have to reset and go."</p>.<p>Klopp has been hit with a series of injuries to key players and will be heartened by the return of Joel Matip, Thiago Alcantara and Diogo Jota off the bench in the second half.</p>.<p>But left-back Andy Robertson said the whole team has to get back to basics after conceding the opening goal for the fifth time in seven games.</p>.<p>"We're miles too open, you can't come to a place like this and not be compact," said the Scotland captain.</p>.<p>"When you are a team that presses and you miss one challenge you need someone to follow it up and back his mate up.</p>.<p>"But too many times they got turned and had big spaces to get in behind us and caused our centre-backs problems where it was two against two or three against two.</p>.<p>"Away in a Champions League game you can't defend like that. We have to get back to basics and be compact."</p>
<p>Liverpool manager Jurgen Klopp said the Reds must "reinvent" themselves after a poor start to the season was compounded by a 4-1 defeat to Napoli in their Champions League opener on Wednesday.</p>.<p>The margin of defeat equalled Liverpool's worst ever in the Champions League and could have been even more severe had Alisson Becker not saved a first-half penalty from Victor Osimhen.</p>.<p>Piotr Zielinski scored twice either side of two well-worked strikes from Andre-Frank Zambo Anguissa and Giovanni Simeone for the Italians to put Napoli 4-0 up early in the second half.</p>.<p>Luis Diaz pulled a goal back for last season's beaten finalists, but the Colombian was one of very few bright sparks on a night that exposed Liverpool's early season problems.</p>.<p>The Reds have won just two of their opening seven games of the campaign and sit seventh in the Premier League, already six points off the top of the table.</p>.<p>"It looks like we have to reinvent ourselves," Klopp told BT Sport.</p>.<p>"There are a lot of things lacking. The fun part is we need to do that in the middle of a Premier League season and a Champions League campaign.</p>.<p>"In three days we play against Wolves and when they saw the game tonight they cannot stop laughing and think it is the perfect moment. I would think it is the perfect moment, but we have to try to find a set-up to be much better in everything."</p>.<p>There is little time for Klopp to find solutions with Ajax at Anfield and Chelsea away also to come in the next 10 days before an international break.</p>.<p>"We were not working as a team," added Klopp. "We don't play good enough that's clear, that's obvious and everybody sees it.</p>.<p>"We play in the strongest league in the world and have a strong Champions League group but that's the job to do.</p>.<p>"It's my responsibility. I need time to think about it, it's my job to find it out and we have to reset and go."</p>.<p>Klopp has been hit with a series of injuries to key players and will be heartened by the return of Joel Matip, Thiago Alcantara and Diogo Jota off the bench in the second half.</p>.<p>But left-back Andy Robertson said the whole team has to get back to basics after conceding the opening goal for the fifth time in seven games.</p>.<p>"We're miles too open, you can't come to a place like this and not be compact," said the Scotland captain.</p>.<p>"When you are a team that presses and you miss one challenge you need someone to follow it up and back his mate up.</p>.<p>"But too many times they got turned and had big spaces to get in behind us and caused our centre-backs problems where it was two against two or three against two.</p>.<p>"Away in a Champions League game you can't defend like that. We have to get back to basics and be compact."</p>