Mattia Binotto has confirmed the Audi Formula 1 chief operating officer has met and ‘spoke to’ a driver without a Grand Prix win about joining Sauber in the 2025 season. The Hinwil, Switzerland squad control one of the two final seats still available for next year’s grid. Only Red Bull also have the say on who occupies one of the 20 drives in Formula 1 with Visa Cash App RB still to confirm who will partner Yuki Tsunoda for the Faenza outfit in 2025. Liam Lawson is in a shoot-out beside Tsunoda which could lead to a seat at Red Bull or at RB for next term in the last six rounds of 2024. But a …