Adam Lallana is poised to make his first start for two months for Liverpool tonight as Jürgen Klopp admitted that mistakes were made in the midfielder’s initial rehabilitation from injury.

The Liverpool manager warned against complacency before tonight’s Champions League second leg with Porto, who arrive at Anfield trailing 5-0 having been dismantled at home. The only rousing comeback Klopp wants to witness is from the 29-year-old.

Lallana was effectively ruled out for four months after rupturing a thigh in pre-season and his return was complicated by two setbacks, including a muscle tear, with Klopp accepting that the player featured before he was ready. There has been a string of cameos off the bench since back-to-back appearances against Burnley and Everton at the beginning of