After a Covid-19 enforced delay, Liverpool and Arsenal finally meet in the Carabao Cup semi-final at Anfield on Thursday night in a match that pitches Jurgen Klopp against a new foe in Gunners manager Mikel Arteta.
Klopp would have missed the game had it gone ahead last week due to his own positive coronavirus test but having fully recovered he comes face to face with Arteta for the first time since their infamous touchline bust-up back in November.
That too was at Anfield and at the time of the game it happened, Arteta's side had so far produced a valiant display with the score at 0-0.
Jurgen Klopp (left) and Mikel Arteta had a bust-up in their Premier League clash in November
Klopp reacted in dismay at the Arsenal response to a challenge from Sadio Mane
Arteta had to be held back by Arsenal's coaching staff after confronting Liverpool boss Klopp
The moment came in the first half after a challenge by Sadio Mane on Takehiro Tomiyasu. Both managers squared up but it was the reaction of Arteta, who needed to be held back, that was particularly striking.
The Spaniard is usually calm and collected but that night at Anfield, he lost his temper with Klopp. Both managers were booked by the referee but unfortunately for Arsenal, the incident whipped up the home crowd into a frenzy - no doubt in part due to Arteta's ties to rivals Everton.
And the atmosphere galvanised Liverpool, who went on to record a storming 4-0 victory over the Gunners with goals coming from Mane, Diogo Jota, Mohamed Salah and Takumi Minamino.
Arteta was still feisty about the incident after the final whistle.
'I don't know (if players like it when I fight on the touchline). It's who I am. I will react,' Arteta said.
'If I have to defend my players I will do it. Maybe you don't give me motivations to go the other way. It's part of
