Sergio Perez is quite simply driving for his Red Bull future at the Belgian Grand Prix this weekend. Helmut Marko has repeatedly stated that he’ll meet Christian Horner next week to make a decision. As recently as June, Perez looked safe, not just until the end of the year, but for the whole of 2025 too. His new contract contained also an option for 2026 depending on performance. But Red Bull didn’t envisage the spiral that would follow. Since the chequered flag fell in Miami, Perez has scored just 21 points across seven weekends – the kind of form that would only satisfy a midfield team. This…