Is Perez the only driver who can challenge Verstappen in China?

Max Verstappen and Red Bull Racing dominated on Saturday at the Chinese Grand Prix. Once past Lewis Hamilton, the three-time world champion disappeared into the horizon, putting the rest of the field 13 seconds behind him in just 10 laps. However, Helmut Marko expects Sergio Perez to make things difficult for the Dutchman in the race. Can Perez actually pose a threat to Verstappen?