Bill Stoneman's career in baseball is marked by his achievements both on the mound and in the front office. Born on October 24, 1944, in Oak Park, Illinois, Stoneman attended the University of Idaho, where he played college baseball before being signed by the Chicago Cubs in 1966. His major league debut came in 1967 with the Cubs, but it was with the Montreal Expos that he truly found his stride.

Stoneman joined the Expos in 1969, the franchise's inaugural season, after being selected in the expansion draft. He quickly became a standout pitcher for the team. On April 17, 1969, Stoneman threw a no-hitter against the Philadelphia Phillies, marking the first no-hitter in Expos history. This achievement was a highlight of his early career and set the tone for his tenure with the team.

Throughout his time with the Expos, Stoneman was known for his strong arm and ability to deliver in high-pressure situations. He threw a second no-hitter on October 2, 1972, against the New York Mets, making him one of the few pitchers to have multiple no-hitters in their career. His performance on the mound earned him respect and recognition within the league.

Stoneman's playing career continued until 1974, when he retired from professional baseball. After his retirement as a player, he transitioned into various roles within baseball management. His expertise and understanding of the game led him to a successful career as an executive.

In 1999, Stoneman became the general manager of the Anaheim Angels (later known as the Los Angeles Angels of Anaheim). Under his leadership, the team experienced significant success, culminating in their first World Series championship in 2002. Stoneman's tenure as general manager was marked by strategic decisions that helped build a competitive and cohesive team.