Have Mercedes' rivals caught up as F1 upgrade battle ignites?

Kimi Antonelli's victory in Miami continued Mercedes' unbeaten start to the 2026 season on Sundays with the Silver Arrows having now claimed four Grand Prix wins from four at the start of Formula 1's new era of rules.

But that does not mean to say that the Miami weekend all went Mercedes' way on the return to racing action after F1's enforced five-week break.