Retired basketball player who spent twelve years in the NBA with the Milwaukee Bucks, San Antonio Spurs and Golden State Warriors. While in Milwaukee, he won back-to-back NBA All-Defensive First Team honors.
He played college basketball at Western Texas College and the University of Tulsa.
He is widely credited with originating the so-called "point forward" role, combining the characteristics of a point guard and forward.
He won an NBA Championship as an assistant coach under San Antonio Spurs head coach Gregg Popovich in 1999.