Mattia De Sciglio is one of Juventus' most important players, and his role as a defender has been crucial in securing the club's success over the years. He has been a key player for the team since he joined them from Udinese in 2015, and he continues to be an essential part of their defense.

De Sciglio's defensive abilities have earned him a reputation as one of the best defenders in Serie A, and he is often praised for his ability to read the game and anticipate opponents' movements. His experience on the pitch also helps him to make quick decisions when it comes to defending, which allows him to keep his team's goal clean.

In addition to his defensive skills, De Sciglio is also known for his leadership qualities. He is respected by his teammates and coaches alike, and he leads by example on the field. His commitment to the team and his willingness to put in extra work have helped him to become one of the most valuable players in Serie A.

Overall, Mattia De Sciglio's role as a defender in Juventus' defense has been nothing short of impressive. His defensive abilities, leadership qualities, and commitment to the team have made him one of the most valuable players in Serie A.