Lewis Hamilton said his Mercedes team “desperately” need car upgrades after a difficult Friday practice at the Miami Grand Prix.
The seven-time champion was 0.928 seconds slower than Max Verstappen’s Red Bull, which set an imposing pace.
Hamilton said: “It’s a kick in the guts and it’s a little bit difficult to take sometimes.”
Mercedes are due to introduce a major car development at the next race, the Emilia-Romagna Grand Prix on 19-21 May.
“We desperately need those upgrades,” Hamilton said. “We have to keep our head down for one more race and hopefully we will start a new path next race.”
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