No — there is no reliable public source currently confirming that Franco Baresi is left-handed.

Franco Baresi is a legendary Italian former professional footballer and manager. Widely regarded as one of the greatest defenders of all time, he spent his entire 20-year career with AC Milan, captaining the club for 15 seasons.

During his illustrious career, Baresi won six Serie A titles, three UEFA Champions League titles, and two Intercontinental Cups with AC Milan. He was part of the famous Milan defense alongside Paolo Maldini, Alessandro Costacurta, and Mauro Tassotti.

Internationally, Baresi represented Italy at three FIFA World Cups. He was a key player in the Italian team that reached the final in 1994, where they lost to Brazil on penalties, with Baresi missing a penalty in the shootout.

After retiring from playing, Baresi embarked on a coaching career, working with AC Milan's youth teams and later as a technical director. His number 6 jersey was retired by AC Milan in his honor, a testament to his immense contribution to the club.