Mercedes have now learned the ‘only scenario’ in which Williams agree to axe Logan Sargeant and sign Andrea Kimi Antonelli on loan for the rest of the Formula 1 season. Doubts continue to surround Sargeant as F1 prepares to break up for a mandated two-week summer shutdown. The 23-year-old is out of contract at Williams after the 2024 season and has also now lost the drive. Carlos Sainz will join Williams in 2025 as Alex Albon’s teammate. Williams team principal James Vowles gave Sargeant every chance to earn another contract before signing Sainz. But the American failed to show enough improvem…