*Club domestic league appearances and goals, correct as of 23:47, 31 August 2024 (UTC) ‡ National team caps and goals, correct as of 9 September 2021 (UTC)
Musso trained at the academy of Club de Regatas San Nicolas, before going on loan to Defensores de Belgrano de Villa Ramallo, with which he won the local championship at the age of 16. In the final, he saved three out of five penalties in the shoot-out.[citation needed]
In the summer of 2018, Musso was signed by Serie A side Udinese. Throughout the season, he established himself as the undisputed starter and became one of the team's key players. In three seasons, Musso accumulated a total of 102 appearances in the league.[1]
^Durán, Marcos (26 March 2019). "Correa fue Messi en Marruecos". Diario AS (in Spanish). También hizo su debut en la selección Juan Musso. El del Udinese entró a los 67 minutos por Andrada. Debut plácido del de Boca, que a pesar del clima no tuvo muchos inconvenientes en mostrarse seguro. [Juan Musso also debuted for the national team. The Udinese player came on in the 67th minute for Andrada. A placid debut, he did not have many problems in being confident despite the weather.]