Bill Campbell was a professional baseball player who played as a relief pitcher for several teams during his career. He was born on August 9, 1948, in Highland Park, Michigan, and attended the University of Michigan, where he played college baseball.

Campbell began his professional career in 1971 when he was signed by the Minnesota Twins. He spent two seasons in the minor leagues before making his major league debut in 1973. He played for the Twins for three seasons before being traded to the Boston Red Sox in 1976.

Campbell had his best season in 1977 when he recorded 31 saves for the Red Sox and was named an All-Star. He continued to play for the Red Sox until 1981 when he was traded to the Chicago Cubs. He played for the Cubs for two seasons before being traded to the Philadelphia Phillies in 1983.

Campbell played for the Phillies for two seasons before being traded to the St. Louis Cardinals in 1985. He played for the Cardinals for one season before being released in 1986. He signed with the Detroit Tigers in 1987 but was released before the start of the season, effectively ending his career.

Throughout his career, Campbell was known for his durability and consistency as a relief pitcher. He recorded 126 saves and had a career ERA of 3.56. He was also known for his ability to pitch in high-pressure situations and was often called upon to close out games.

After his playing career ended, Campbell worked as a pitching coach for several minor league teams. He also worked as a scout for the Los Angeles Dodgers and the Seattle Mariners.

In 2018, Campbell was diagnosed with Alzheimer's disease. He passed away on April 2, 2020, at the age of 71. He is remembered as a talented and dedicated player who made significant contributions to the game of baseball.