Following the announcement of David González as the new head coach for the Madrid team, Atlético de Madrid has already announced five signings at the start of this transfer window to face the 2026/2027 season of Liga F Moeve: Lucía Rodríguez (Real Sociedad), Maite Zubieta (Athletic Club), Génesis Pérez (Universidad Central de Florida), Henrietta Csiszár (Internazionale de Milán) and Viola Calligaris (Juventus). Specifically, the defender was already with the Madrid club for two seasons, from 2017 to 2019. During that time, the Swiss defender played a total of 38 official matches for the *colchonero* team, scoring 3 goals, and winning two Leagues (2017/18 and 2018/19). At 30 years old, she returns to what was her home.

The new *rojiblanca* footballer developed from a young age in teams in her home country, until, in 2013, she made the move to Young Boys. She played for the Swiss club until 2017, the year she was at Atlético de Madrid. Afterwards, Viola played for Valencia CF for one season, Levante UD for three years, PSG for one campaign, and Juventus, where she spent three years. In her last season, she played 1,103 minutes in 13 Serie A matches, providing 2 assists. This campaign, she also played 3 Champions League matches. The defender, who signs with the Madrid team until 2028, will bring her international experience with the Switzerland senior national team, having played over 70 matches for her country, with whom she competed in the 2017 European Championship and is a regular in squad call-ups.