Anunoby declared for the NBA draft in 2017 and was selected by the Toronto Raptors as the 23rd overall pick in the first round. He made his NBA debut in the 2017-2018 season, impressing fans and critics alike with his strong defensive presence and improving offensive game. In his second season, Anunoby became a key rotation player for the Raptors, helping the team win the NBA championship in 2019.