By Tom Blow Ex-Aston Villa star Jota is on course to become a billionaire after ditching football to invest in an agricultural technology company. The Spanish playmaker, 32, hung up his boots in October 2022, having been without a club for more than a year. He is best remembered in England for his spells with Brentford, Birmingham City and Villa but finished his career in La Liga with Alaves. Jota quit football after losing the ambition to keep on playing. The former Premier League ace did receive a multi-year deal from a unnamed club in Saudi Arabia after leaving Alaves in June 2021 but decid…