Juan Manuel Boselli

Defensor Sporting

Having previously represented Defensor Sporting at various youth levels, with whom he won the U17 Clausura title in 2016, Boselli received his first experience with the senior team on 2 February 2017 when he featured as an unused substitute in a 2–0 win over Rampla. He made his debut later that month, replacing goalscorer Gonzalo Bueno in the second half of a 2–1 victory against Juventud.

Loan to Peralada

In January 2019, he moved on loan to Peralada-Girona B, the reserve team of Girona FC.

Loan to Athletico Paranaense

On 13 August 2019, Club Athletico Paranaense confirmed that Boselli had joined the club on loan until December 2020. However, he left the club again less than a month later, even before making his debut. It was later revealed by the club's manager, Tiago Nunes, that Boselli "did not come to play in the first team" and that he "came to take the official photo with the black and red shirt but was immediately transferred to the U23 squad". He then began training with América Futebol Clube (MG) and even played a friendly game for the club, before joining the club on 5 September 2019 on loan for the rest of 2019 to guarantee more minutes on the court. However, he would return to Club Athletico Paranaense for the 2020 season, as the loan deal with the club was valid until December 2020. Boselli was registered for Paranaense's U-23 squad.

Loan to Cádiz B

In September 2020, Boselli began training with Cádiz…

Uruguay national youth teams

Boselli was called up to the Uruguay U20 side for the first time in March 2017, and made his debut as a substitute for Nicolás De La Cruz in a 1–0 friendly loss to Argentina. In May the same, he was named in Urruguay's squad for the 2017 FIFA U-20 World Cup in South Korea.

As of match played 17 September 2026

Uruguay U20

South American Games silver medal: 2018