"If it happens, it would be amazing," Wilshere said to ESPN.
"He is the type of player who can win you trophies - and just to see his name on the team sheet brings fear to the opposition. We could do with a little more of that.
"You look at the type of players like Higuain we are trying to bring in and you have got to be encouraged.
"I think we need a few more, not to step right into the team, but to add to the squad."