Norm Sonju Dallas Mavericks. Norm arnold sonju, american professional sports team manager, executive. Incredibly, it was the reverend w.

Norm arnold sonju, american professional sports team manager, executive. Incredibly, it was the reverend w. In 1979, businessman don carter and partner norm sonju requested the right to bring an nba franchise to dallas.the last professional basketball team in dallas had been the dallas chaparrals of the american basketball association, which moved to san antonio in 1973 to become the san antonio spurs.