Arne Slot says Liverpool defender Amara Nallo must learn from his “cruel” red card in Wednesday’s 3-2 defeat to PSV Eindhoven in the Champions League. The academy graduate’s first-team debut lasted just four minutes at Philips Stadion as he was sent off late in the second half for a professional foul on Johan Bakayoko.

Amara Nallo will certainly remember his senior debut for Liverpool. All four minutes of it. Liverpool was in the luxurious position of being able to play the kids in its final game of the Champions League’s revamped first stage with qualification already secure.

Liverpool teenager Amara Nallo learned a harsh lesson as he was sent off four minutes after coming off the bench to make his senior debut in the Champions League game at PSV Eindhoven on Wednesday.

Liverpool suffered a 3-2 defeat against Dutch outfit PSV in Champions League on Wednesday - but Arne Slot's team still finished at the top of the league stage standings

The Gunners were incensed after Michael Oliver showed Myles Lewis-Skelly a red card during their Premier League match against Wolves

A reckless challenge on Wataru Endo by Ipswich’s Julio Enciso left Liverpool players incensed, but referee Michael Salisbury only produced a yellow card. Slot, however, refused to dwell on the incident, instead praising Endo’s resilience and focusing on his team’s performance.

It was always destined to be a night to remember for Arne Slot’s Liverpool rookies. One left Eindhoven with his head in his hands while his team-mate’s will be in the clouds.