The Turin club has signed a five-year contract with the son of a club legend.
Thuram has been playing for Nice since 2019. Last season, the midfielder made 29 appearances in all competitions, scoring one goal and providing one assist. His estimated market value, according to Transfermarkt, is €35 million.
His father, Lilian Thuram, represented Juventus from 2001 to 2006, making 144 appearances. His brother, Marcus, plays for fierce rivals Inter. Last season, Marcus helped his team win the Italian league, making 46 appearances, scoring 15 goals and contributing 14 assists.