Bob Walk was a professional baseball player who played as a pitcher for several teams during his career. He was born on November 26, 1956, in Van Nuys, California, and attended the University of Michigan, where he played college baseball.

Walk was drafted by the Philadelphia Phillies in the second round of the 1976 Major League Baseball draft. He made his major league debut with the Phillies in 1980 and played with the team until 1983. During his time with the Phillies, Walk was part of the team that won the 1980 World Series.

In 1984, Walk was traded to the Pittsburgh Pirates, where he played for six seasons. He had some of his best seasons with the Pirates, including a 12-7 record in 1987 and a 14-12 record in 1989. Walk was also part of the Pirates team that won the National League East division in 1990.

After leaving the Pirates, Walk played for the New York Yankees in 1993 before retiring from baseball. Over the course of his career, Walk had a record of 105-81 with a 4.03 ERA and 1,029 strikeouts.

In addition to his playing career, Walk has also worked as a broadcaster for several teams, including the Pirates and the Philadelphia Phillies. He has also been involved in coaching and player development, working with the Pirates and the Seattle Mariners.

Overall, Bob Walk had a successful career as a pitcher in Major League Baseball, playing for several teams and winning a World Series championship with the Philadelphia Phillies. He has continued to be involved in baseball after his playing career, working as a broadcaster and coach.