The club narrowly missed out on UEFA Champions League football, vying with Milan up until the last week of the season.

[2] On June 18, Fiorentina announced the signing of Gustavo Munúa, a goalkeeper, who transferred from La Liga club Levante.

On August 9, Fiorentina was drawn against Grasshopper Club Zürich for qualification into the group stage of the UEFA Europa League.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

EU = if holds or not a European Union passport; Country: when 2 flags, 1st flag = country that plays for internationally, 2nd flag = country of birth; N = number on jersey; P = Position (for position name, pause mouse pointer on abbreviation); Name = Name on jersey (for more extensive name, pause mouse pointer on name); Age = age on the day of the signing; Moving from = only indicate the club the player was playing before start playing for this club in this season, for the type of the moving see Status column; Moving to = only indicates the club the player is going to play next, for the type of the moving see Status column; Ends = when the player's current contract ends; n/a = Not applicable.

Larrondo, Llama, Migliaccio, Sissoko, and Viviano returned to their parent clubs after their loan periods expired on June 30, 2013.