Sainz tests Williams as four drivers make team debuts in F1 2025 taster - 'Williams is so different to Mercedes': James Vowles on re-energising the British F1 team - Logan Sargeant sacked with immediate effect as Williams name replacement for F1 star - Ferrari's Carlos Sainz to Join Williams for 2025 Formula 1 Season - Ferrari driver Carlos Sainz moves to Williams for 2025 F1 season - Sainz making leap from Ferrari to Williams in '25 - Ferrari, Williams or elsewhere: Where next for Red Bull design guru Adrian Newey? - American Logan Sargeant heads into 2nd F1 season stronger, hopes to deliver for Williams - Mercedes to supply Williams power units beyond 2026