Arsenal have opened talks to seal the transfer of a target whom Juan Mata thinks was a better player than Manchester United and England ace Kobbie Mainoo at Euro 2024. The Three Lions made back-to-back European Championship finals this summer as Gareth Southgate oversaw his last tournament in charge. But a 2-1 defeat in Berlin meant England’s wait for a first title continued as Spain became the first four-time winner of the UEFA trophy. Mainoo eventually played a key role in England reaching the final of Euro 2024. The 19-year-old started it on the bench while Southgate persisted with his vani…