No, best player not to win it.
You win an NBA championship
Bill Russell won NBA rings in 1968 and 1969 when he was the player-coach for the Boston Celtics.
You get a championship ring
No German player won a NBA ring
The youngest player to win a NBA title is Magic Johnson of the Los Angeles Lakers. He was 20 then when he grabbed a championship ring. He also made history to be the first rookie ever win a Finals MVP award.