Union Berlin also rejected an offer of nine million euros from FC Bologna for Diogo Leite in the past transfer window. Diogo Leite himself vetoed the move despite the club's interest.

Giovanni Sartori from Bologna is interested in signing Diogo Leite. Bologna has proposed a transfer fee of 8 million euros. Union Berlin initially requested 13 million euros. Diogo Leite is a central defender at Union Berlin, and his contract is set to expire in a year. He has no intention of renewing his contract with Union Berlin. Diogo Leite is interested in experiencing new football environments after playing in Portugal and the Bundesliga.

Bologna is interested in signing Diogo Leite as they are looking for a potential replacement for Riccardo Calafiori, who is close to transferring to Arsenal.