Former Arsenal recruitment chief Sven Mislintat recommended Liverpool signing Ozan Kabak to manager Jurgen Klopp.
Mslintat, who was let go by the Gunners after 14 months, is now at Stuttgart.
He oversaw the departure of Kabak to Schalke in 2019.
"I told Jurgen that he's a top lad," Mislintat told The Athletic.
"Top mentality, top character, top aggression. He's a [Dejan] Lovren-type player. Very good in the air, both defensively and in the opposition box.
"He played his best stuff for us [at Stuttgart]. He hasn't been able to show how good he is at Schalke.
"He still needs to learn but he has all the skills for Klopp to make a success of him."
