Answer
The youngest player to win an NBA championship before Darko Miličić was Earvin "Magic" Johnson, who won the title with the Los Angeles Lakers in 1979 at the age of 20 years, 5 months and 1 day. Miličić, who won the title with the Detroit Pistons in 2004 at the age of 20 years, 10 months and 11 days, is now the second-youngest player to win an NBA championship.