George Russell will have a new teammate at Mercedes from the 2025 season and will partner Italian Andrea Kimi Antonelli. Russell has performed well alongside seven-time world champion Lewis Hamilton at Mercedes and will step up into the role of team leader at the German team when the 39-year-old moves to Ferrari. The British driver will be expecting to beat his rookie teammate next season as Mercedes push towards the very front of the field. If Antonelli were to outperform his more experienced teammate next year, Russell could be put under pressure as Max Verstappen lurks in the background for…