Franco Baresi’s career at AC Milan, which began with a scudetto win at age 19 in 1979, is frequently cited as a turning point for the role of the central defender in Italian football. During an era where the defensive style known as 'catenaccio'—characterized by a libero and strict man-marking—dominated the sport, Baresi emerged as a player who defied traditional expectations of the position.

Observers and analysts often categorize Baresi as the definitive central defender of the late 1980s and early 1990s. Beyond his technical proficiency, he is remembered for his leadership qualities, serving as the captain and moral center of a highly successful Milan squad. While many defenders of that period focused primarily on physical containment, Baresi is credited with evolving the art of defending through superior anticipation and tactical intelligence. His influence on the game remains a subject of study for those examining the transition of Italian football from rigid defensive structures to more fluid, modern systems. The consensus among football historians is that Baresi’s impact extended beyond his individual statistics, as he provided the stability and ethical standard that defined the identity of his team during their most dominant years.