"Wirtz is a very intricate player, and he reminds me of Philippe Coutinho at times," Heskey said.
He noted that tactical positioning remains a strong point for Wirtz despite current physical limitations.
"He picks up those little pockets of space like Coutinho used to," Heskey said.
Heskey emphasized that developing chemistry with teammates will be critical for the midfielder in his second season.
"He just doesn't seem to have that real power or energy at the minute to drive them on, but he picks up some sensational positions, gets the ball and turns," Heskey said.
The former striker urged patience from the fanbase ahead of the upcoming campaign under manager Arne Slot.
"It's the next little bit, and more understanding with the players around him, that he needs. Let's give him next season and see how he goes," Heskey said.
A revamped squad dynamic could provide the necessary environment for the player to reach his full potential.
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"Hopefully, we'll see the best of him with a new team around him as well," Heskey added.
