Kimi Antonelli is the heavy favourite to replace Lewis Hamilton at Mercedes in 2025. For the first time since they returned to F1 in 2010, the Silver Arrows are set to field a rookie. Antonelli won’t be thrust straight into a title fight, in all likelihood. Mercedes are a distant fourth in the constructors’ championship right now and it’s hard to see them making that up deficit over the winter. But if that reduces the pressure on the teenager, then the identity of his predecessor ratchets it right back up. Indeed, Hamilton is the most successful driver in F1 history and he won six of his seven…