Gabriel Bortoleto is hoping to become the latest rookie to join the 2025 Formula 1 grid. The McLaren junior is a contender to partner Nico Hulkenberg at Audi. F2 rivals Oliver Bearman and Kimi Antonelli have already signed F1 deals with Haas and Mercedes respectively. Jack Doohan, who raced in the series in 2023, is to graduate from his reserve role at Alpine too. Liam Lawson could make a full-time debut with RB, and Audi are weighing up whether to go for youth or experience at Sauber. The incumbent Valtteri Bottas is still hopeful of an extension. With Hulkenberg signed, boss Mattia Binotto m…