Liverpool opens the Champions League league phase against Atletico Madrid on Wednesday at Anfield.

Iraola will be relieved that his team were able to shake off Marcos Llorente’s opening goal — remarkably, his fifth at Anfield — courtesy of Dominik Szoboszlai (after a lovely backheel by Ronald Araujo) and a thunderbolt from Alexis Mac Allister, whose future has been the subject of more debate this week.

A day after revealing his disappointment over the lack of a new contract offer by Liverpool, Alexis Mac Allister delivered the perfect response with the winning goal in a 2-1 victory against Atletico Madrid in the Champions League on Wednesday.

Liverpool begins its Champions League campaign on Wednesday, Sept. 9 when it hosts La Liga side Atlético Madrid.

Atletico failed to claim a positive result during their Champions League trip to Anfield, falling to defeat against Liverpool in their opening match of the campaign.

Can new-look Liverpool get their Champions League campaign off to a perfect start?

The Reds were involved in a feisty five-goal thriller with Atléti in last season’s league phase opener.

Liverpool open their UEFA Champions League campaign at Anfield on Wednesday night, as they host Atlético Madrid in the league phase opener for both clubs -- the exact same fixture to open the clubs Champions League campaign last season as well.