Verstappen clinched his third consecutive title in the Qatar Grand Prix sprint race on Saturday to secure a crown that has looked to be his since the early phase of the campaign.
But while the RB19 car has been the class of the field, Horner feels that it has been made to look even better by a trait that Verstappen has of needing to show just how good he is.
Rather than ever taking things easy and going into cruise and collect mode, he says Verstappen’s mentality is that he must win by the biggest margin he can.
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“He doesn't leave anything on the table,” said Horner. “He wants it all. And that drives and motivates the team internally.
“I think he is relentless in his pursuit of performance. He doesn't want to just win: he wants to dominate.
“You see that in any great sportsman. Their pursuit of excellence and pursuit and not just wanting to be first, but certainly dominate, is again a hallmark what makes him such an exceptional talent.”
Source: Autosport