Mercedes driver George Russell was quickest in Free Practice One at the Miami Grand Prix on Friday evening after calling his spat with Max Verstappen «pathetic.» Russell, alongside team-mate Lewis Hamilton, have endured another slow start to the season where they once again look set to struggle behind Red Bull and Ferrari, and may face a stronger challenge this year from Aston Martin. Ad However, on Friday in Florida, in the first session at least, they were the top performers despite leaving it late.