Verstappen is caught up in a tense title battle with Lewis Hamilton, meanwhile, Perez is hoping to wow a home crowd, currently sitting fourth in the standings.
But boss Christian Horner remained firmly on the fence as to what they may do come race day on Sunday.
“I suppose we’re going to get in that position, so it’d be a beautiful headache to have,” Horner told F1.
“We’ve had some great receptions this year at races, but coming into the circuit this morning outside the hotel, arriving at the airport.
“I mean that Mexicans, they love Formula One, and they certainly love Checo.