Fiorentina's third jersey from the 2000/2001 season, produced by Diadora with Toyota as the main sponsor. The jersey is gray with purple details on the collar and sides. It features the Diadora and Toyota logos on the front, along with the Fiorentina crest. The back is customized with "Rui Costa" and number 10 in purple, honoring the legendary Portuguese playmaker who left an indelible mark on the club.

During the 2000/2001 season, Rui Costa was Fiorentina's key player, known for his exceptional class and vision on the field. Despite the club's financial struggles, Rui Costa remained a prominent figure, helping the team stay competitive. This jersey represents not only a significant era for the player but also a transitional season for the club.