Carlos Sainz is now a ‘strong contender’ to replace Fernando Alonso at Aston Martin after Ferrari axed the Spaniard for seven-time F1 drivers’ champion, Lewis Hamilton. The Scuderia have left Sainz with an uncertain future after opting against extending the 29-year-old’s contract beyond this season. But half of the 2024 grid is also out of contract this year. So, he has plenty of viable landing spots and one may be Alonso’s seat at Aston Martin. That is according to Lawrence Barretto, who reports that Aston Martin would ideally want to keep Alonso beside Lance Stroll. Yet the Silverstone squad…