Bill Stoneman is a former Major League Baseball pitcher who played for the Montreal Expos and the California Angels. He was born on April 7, 1944, in Oak Park, Illinois, and attended Central Michigan University, where he played college baseball.

Stoneman was drafted by the Chicago Cubs in 1966 but was traded to the Montreal Expos before the start of the 1969 season. He made his Major League debut on April 17, 1969, and quickly established himself as one of the Expos' top pitchers. In 1972, he threw a no-hitter against the New York Mets, becoming the first pitcher in Expos history to accomplish the feat.

Stoneman played for the Expos until 1973, when he was traded to the California Angels. He spent the rest of his career with the Angels, retiring after the 1978 season. During his career, Stoneman had a record of 54-85 with a 4.08 ERA and 1,001 strikeouts.

After retiring as a player, Stoneman worked in various front office positions for several Major League teams, including the Montreal Expos, the Los Angeles Dodgers, and the Anaheim Angels. He was also the general manager of the Angels from 1999 to 2007, during which time the team won the American League West division twice and reached the playoffs three times.

Stoneman is known for his analytical approach to baseball and his use of statistical analysis to evaluate players. He was one of the pioneers of the use of advanced metrics in baseball, and his methods have been widely adopted by teams throughout the league.

Overall, Bill Stoneman had a successful career as both a player and a front office executive in Major League Baseball. He was a key figure in the development of modern baseball analytics and helped lead the Anaheim Angels to some of their most successful seasons in franchise history.