Despite finishing on the podium in Saudi Arabia, Red Bull driver Sergio Perez has been told he needs to do more to close the gap to his teammate. Not much has been seen of Max Verstappen on track so far this season despite already having two race wins to his name. Speaking on The Chequered Flag Podcast, Harry Benjamin has explained what expectations the 34-year-old is currently dealing with. Perez still needs to do more for Red Bull despite Saudi podiumBack-to-back second places finishes are the least that is expected of Sergio Perez right now. Red Bull have the quickest far on the grid by qui…