Bill Walton is an American former basketball player and current television sportscaster. He is the father of current Los Angeles Lakers player, Luke Walton. Walton was inducted into the Basketball Hall of Fame on May 10, 1993.
Walton played college basketball for John Wooden at the University of California and was the 1973 recipient of the James E. Sullivan Award , the USBWA College Player of the Year and Naismith College Player of the Year.
Walton was drafted number one overall by the Portland Trail Blazers , leading the NBA in both rebounds per game and blocked shots per game in 1976-77. Walton was named to the NBA’s First-All Defensive Team and the All-NBA Second Team for his regular season accomplishments. In 1996, he was named as one of the NBA’s 50 Greatest Players of all time.
Since his retirement as a player, Walton has overcome a severe stuttering problem to become a successful NBA color commentator for NBC (1990-2002) Los Angeles Clippers and ABC/ESPN (since 2002).
Source - http://en.wikipedia.org/wiki/Bill_Walton