Why are these top F1 drivers slower than their team-mates?

Oscar Piastri and George Russell have both led the Formula 1 World Championship in the past 12 months, so why are these top-level drivers unable to get on terms with their team-mates? And how is Lewis Hamilton now looking to have the edge over Charles Leclerc after a crushing 2025 season? Mark Hughes outlines new evidence that emerged during the Hungarian Grand Prix to explain the sometime…