Real Madrid star Vinícius Júnior is considering buying a football club in Portugal’s second division, a source has told ESPN. The Brazil international — currently in Jeddah, Saudi Arabia, for the Spanish Supercopa — is thinking about diversifying his business interests with an eye to his future career plans after retiring as a player. Vinícius started for Madrid in their 3-0 Supercopa semifinal victory over Mallorca on Thursday, a result…