Former Wolves physio Paul Darby has warned the club not to rush back Raul Jimenez.
The Mexican striker has been on the sidelines since suffering a fractured skull at Arsenal in November.
"The actual fracture of the skull will be healed now. That won't be an issue," Darby told the Express & Star.
"It's probably stronger than before as you have a build-up of new, strong bone around the fracture site.
"But it's the trauma to the brain and unfortunately, you can't play football without heading a ball.
"Matt Perry, Wolves' doctor, is quite a renowned specialist when it comes to head injuries.
"The FA have used him as an expert many times, and he'll be right on the ball with this one while also being, quite rightly, cautious.
"I would have thought Jimenez will get into pre-season, really, both for his fitness and his mental approach to everything. Having him in a controlled environment where they can ease him into games."
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