Arsenal boss Mikel Arteta says Jurgen Klopp has 'transformed' Liverpool and brought them to the best level in the club's history.
The Reds have won the Premier League, Champions League, UEFA Super Cup and FIFA Club World Cup under the German manager since his arrival in 2015.
Arteta has been coaching in the Premier League since 2016 with Manchester City and Arsenal and has witnessed the progression of this Liverpool team.
The 39-year-old will face Klopp this weekend as Liverpool welcome Arsenal to Anfield and he's praised the work the Reds boss has done.
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He said in his pre-Liverpool press conference: "It is difficult to judge just on this season because what they have done in recent years.
"I think Jurgen and his staff have managed to bring the club to the best moments in their history and to sustain it, which is the hardest thing to do.
"So they have transformed the energy around the place; I think the cohesion and energy they have created in the stadium is something special.
"Jurgen has done that at other clubs he has been at so it’s a talent he has. He has built from there and obviously been extremely successful."
Liverpool are currently just two points clear of the Gunners in the league table and defeat on Saturday will see them drop out of the top four.
After a defeat to West Ham before the international break ended their 25-match unbeaten run, Klopp will need his side to return to their scintillating best to secure the win over an in-form Arsenal team this weekend.