He graduated from Helix High School in 1970.
Bill has been a vegetarian his whole life.
His son Nathan Walton ran as an indepenent for Governor of California in 2003.
He once had his own show on ESPN called "Long Strange Trip".
Bill shares the NBA Finals single-game record for most blocked shots with 8.
Bill holds the NBA Finals single-game record for most defensive rebounds with 20. He did it twice, on June 3, 1977 and June 5, 1977 vs. Philadelphia.
Bill was the 1977 NBA Finals Most Valuable Player.
He was a member of the NBA All-Defensive first team in the 1977-78 season.
Bill was a member of the All-NBA First Team in 1978.
Bill was a two-time NBA All-Star, in 1977 and 1978.
Bill was a part of two NBA championship teams, with the Portland Trailblazers in 1977 and the Boston Celtics in 1986.
Bill had a severe stuttering disorder while playing in the NBA and has been able to overcome it to be a commentator.
Bill is nicknamed "The Mountain Man" due to his height, 6' 11".
Bill is usually paired up with Steve "Snapper" Jones for NBA games on ESPN and ABC, due to him and Steve having similar intellectual NBA related conversations during the games.
Since his retirement as a player, Bill has become a successful NBA color commentator for NBC (1990-2002) and ESPN/ABC since 2002.
Walton's son Chris plays college basketball for San Diego State University, Nate, his middle son, played basketball at Princeton University and his other son Adam played at LSU.
Critics often say that Bill maintains a bias against certain NBA teams, for instance the Detroit Pistons fans regularly complain that Walton is often to harsh and judges their team because of their lack of a superstar.
Bill has his own satellite radio show entitled, "One More Saturday Night" which is named after a Grateful Dead song.
He keeps a picture of the floor of the old Boston Garden arena in his kitchen to remind him of what basketball is all about.
Walton's most favored team is the Los Angeles Lakers, he usually covers their games on ESPN.
Bill is a well-known fan of the Grateful Dead, in which he has attended numerous concerts of, Allman Brothers Band, Phish, and Bob Dylan. He has quoted the Dead's lyrics on TV and radio interviews, and was even invited to play on-stage with the group.
Some of his catchphrases are "That's a terrible call!", "He couldn't even inbound the ball!", "Nice Pass!", "Throw it down, big man!" and "What is a foul?".
His son Luke was drafted and plays for the Los Angeles Lakers as a forward.
Walton received the NBA Sixth Man Award in 1986, becoming the only player to have ever won both the Sixth Man Award and MVP award.
In 1996 he was named as one of the NBA's 50 Greatest Players of all-time.
Bill received the Naismith College Player of the Year award as the top college basketball player in the country three years in a row while attending UCLA.
Bill was the 1973 recipient of the James E. Sullivan Award as the top amateur athlete in the United States.
Walton played college basketball for at the University of California at Los Angeles (UCLA) from 1970 to 1974, winning the National Championship in 1972 and in 1973.
Bill was selected by the Portland Trail Blazers as the first overall pick of the 1974 NBA draft.
Bill Walton: Growing up, my parents were very, very strict. And then I went to UCLA with John Wooden, who was just off the charts.
Bill Walton: I might be the most injured athlete in the history of sports. I've had 31 operations. An endless string of stress fractures.
Bill Walton: Bill Russell was my favorite player of all-time.
Bill Walton: I love to cheer, and yell, and joke and to celebrate the best basketball in the world. And to see these new players, to see how good they are, guys like Paul Pierce and Jason Kidd and, of course, Shaq and Kobe, who are just off the charts. It's a real pleasure.
Bill Walton: Without question, no hesitation, Kareem Abdul-Jabbar was the best player I ever played against.