Throughout his career Bertini played for Italian clubs Empoli, Fiorentina, Inter Milan, Prato, and Rimini; he spent nine seasons with Inter, winning a Serie A title in 1971.
Bertini's career spanned time spent with several Italian clubs, including Empoli, Fiorentina, Inter Milan, Prato, and Rimini. During his nine-year tenure at Inter, he secured a championship in Serie A in 1971.