Bob Tewksbury is a former Major League Baseball pitcher who played for several teams during his career. He was known for his control and ability to change speeds, which allowed him to be successful despite not having overpowering stuff.

Tewksbury was born on November 30, 1960, in Concord, New Hampshire. He attended St. Leo University in Florida, where he played college baseball. He was drafted by the New York Yankees in the 19th round of the 1981 MLB draft.

Tewksbury made his MLB debut with the Yankees in 1986. He spent parts of three seasons with the team before being traded to the Chicago Cubs in 1987. He pitched for the Cubs for two seasons before being traded to the St. Louis Cardinals in 1989.

Tewksbury had his best seasons with the Cardinals. He won 16 games in 1990 and 1992 and was named an All-Star in 1992. He finished third in the Cy Young Award voting that year. Tewksbury also helped the Cardinals reach the World Series in 1996, although they lost to the Atlanta Braves.

After leaving the Cardinals, Tewksbury played for the Texas Rangers, San Diego Padres, and Minnesota Twins. He retired after the 1998 season with a career record of 110-102 and a 3.92 ERA.

After his playing career, Tewksbury worked as a mental skills coach for several MLB teams, including the Boston Red Sox and San Francisco Giants. He also wrote a book called "Ninety Percent Mental: An All-Star Player Turned Mental Skills Coach Reveals the Hidden Game of Baseball."

Overall, Bob Tewksbury had a successful MLB career, particularly during his time with the St. Louis Cardinals. He was known for his control and ability to change speeds, which allowed him to be successful despite not having overpowering stuff. After his playing career, he became a mental skills coach and author.