Adrian Newey seems to be choosing between two teams as he ponders his next move. The legendary designer announced in May that he’d be leaving Red Bull at the end of the season. The race to sign Newey appears to have come down to Ferrari versus Aston Martin. The Scuderia had been longtime favourites until Aston made a renewed push. One recent report claimed that the 65-year-old only had to negotiate the final details before signing a contract with Ferrari. But it made clear that he ‘didn’t mind the alternatives’ either. Newey has visited the Aston Martin factory for a tour, with team owner Lawr…