Christian Horner was seen visiting the Williams facility at the Sao Paulo Grand Prix on Friday. Many assumed that he was speaking to James Vowles about a deal for Franco Colapinto. Sergio Perez looks increasingly likely to lose his Red Bull seat at the end of the season. Having made an impressive start to his RB audition, Liam Lawson has appeared the favourite to replace him. That, in turn, would leave a vacancy at junior team RB next to Yuki Tsunoda. Colapinto has been heavily linked with that seat. The 21-year-old has been one of the breakout stars of 2024 even though he only entered the fra…