Max Verstappen switches to a new engine for the Mexican Grand Prix after Red Bull identified mechanical issues during practice.

Red Bull Racing replaced Max Verstappen's engine before the Mexican GP due to persistent issues, using a season pool unit and avoiding grid penalties.

Red Bull's Formula 1 driver pairing of Max Verstappen and Sergio Perez have not appeared best pleased at the reigning constructors' champions so far this weekend in Mexico City. The pair endured tricky practice sessions across Friday and Saturday's proceedings, the RB20 frequently prompting severe complaints from the stars over team radio.