Overview
- Ferrari confirmed on X that Antonio Fuoco will drive Lewis Hamilton's car in Friday's FP1, and Fuoco acknowledged the assignment on social media.
- Hamilton remains the team's race driver for the remainder of the Mexico City Grand Prix weekend.
- F1 regulations require rookie drivers to run FP1 sessions to satisfy each car's season quota, and Ferrari is using this slot to comply.
- Mercedes and Red Bull will also run juniors in FP1, with Frederik Vesti replacing George Russell and Arvid Lindblad taking Max Verstappen's seat.
- A total of nine FP1 substitutions are planned in Mexico City as teams work to complete their rookie allocations late in the season.