Speculation has mounted this year that Perez may be axed early by the world champions, such is the gulf in class between him and his team-mate, though Christian Horner has insisted that no early changes will be made.
But as Verstappen dominates the rest of the grid in his untouchable RB19, his opposite number has underwhelmed in the same car, particularly in qualifying.
And now, Vasseur has seemingly piled further misery on Perez after claiming that the sheer difference between both Red Bull drivers is a "problem".
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