Answer
Milan signed Daniele Bonera in 2006. Bonera, a versatile defender, joined the Rossoneri from Parma, where he had spent the previous four seasons. He quickly became a key player for Milan, forming a formidable partnership with Alessandro Nesta at the heart of the defense. Bonera's strength, aerial ability, and leadership qualities made him a valuable asset to the team, contributing to their success during his tenure.