"I think it's the signing of the summer.When was the last time Liverpool made a signing like this. He's the best young player in the world and they've just spent over £100 million to get him.
Owen Hargreaves echoed Cole's admiration for Wirtz, who achieved double figures in both goals and assists in the Bundesliga last season.
"Florian Wirtz is really unique and that's probably why they signed him," he added
"In those tight spaces he's probably the best in the world and he's a good finisher as well