When his father became the Milwaukee Bucks GM , Grunfeld moved to Wisconsin .
Due to this , Grunfeld grew up a die - hard Knicks fan , but was just an average player on his middle school team during the late 1990s .
When Grunfeld 's father became the Milwaukee Bucks GM , Grunfeld moved to Wisconsin .
Due to this , Grunfeld grew up a die - hard Knicks fan , but was just an average player on his middle school team during the late 1990s .