Raul Jimenez scored his first goal since fracturing his skull in November in Wolves' 1-1 friendly draw at Stoke.
The Mexico striker, 30, missed the rest of the season after suffering the injury in a collision with David Luiz at Arsenal but has been cleared to play with a protective headband.
His close-range finish on 30 minutes cancelled out Danny Batth's opener.
England defender Conor Coady played the full 90 minutes on his first appearance since Euro 2020.
Midfielder Ruben Neves, who has been linked with a move away from Molineux this summer, featured during the first half.