Lucas Oliveira Rosa (born 3 April 2000) is a Brazilian professional footballer who plays as a defender for Dutch club Ajax. Mainly a right-back, he has been deployed as a right wing-back and a left-back on occasion.
Internationally, Lucas played for his native Brazil at under-17 level.
Born in Ribeirão Preto, São Paulo, Lucas played for local Vale Sports, Taubaté and Palmeiras' youth categories.
In April 2018, Lucas moved to Italy to join Juventus, initially playing for their Primavera (under-19) squad. He was promoted to the Juventus U23 team (later renamed Juventus Next Gen) competing in Serie C. He made his professional debut for the U23s on 30 March 2019, coming on as a second-half substitute against Pistoiese. Over three seasons, Rosa made 31 appearances for Juventus U23 in Serie C. He was also part of the squad that won the Coppa Italia Serie C in the 2019âÂÂ20 season.
On 27 May 2021, Rosa signed a four-year contract with Spanish club Real Valladolid, initially assigned to the reserve team, Real Valladolid Promesas, playing in the Primera Federación. He was a regular starter for the B team during the 2021âÂÂ22 season, making 25 appearances and scoring his first professional goal against Calahorra on 16 April 2022.
Rosa was promoted to the Real Valladolid first team for the 2022âÂÂ23 season. He made his senior debut for the club on 19 October 2022, starting in a 4âÂÂ1 La Liga defeat against Celta de Vigo. He made his Copa del Rey debut on 12 November against Barbadás. He featured regularly throughout the season, making 17 La Liga appearances and 3 Copa del Rey appearances as Valladolid suffered relegation. In the 2023âÂÂ24 season, Rosa was a key player in Segunda División, making 35 league appearances and scoring once as the team achieved immediate promotion back to La Liga. He continued as a regular starter in La Liga during the first half of the 2024âÂÂ25 season, making 21 league appearances before his transfer. In total, he played 80 times for the Real Valladolid first team, scoring once.
On 4 February 2025, Rosa returned to the Netherlands, joining Eredivisie side Ajax on a contract until 30 June 2029. He made his debut for the club on 13 February 2025, starting in a 2âÂÂ0 away victory against Union Saint-Gilloise in the UEFA Europa League knockout round play-offs. He subsequently made appearances in both the Eredivisie and the Europa League, including a notable performance against PSV Eindhoven on 30 March.
Lucas was born in Brazil, and is of Italian descent. As he was granted Italian citizenship, Lucas Rosa is also eligible to be called up to the Italy national team. Lucas represented Brazil at under-17 level during the preparation for the 2017 South American U-17 Championship.
Juventus U23