Dan Driessen was a professional baseball player who played for the Cincinnati Reds, Montreal Expos, San Francisco Giants, and Houston Astros during his career. He was primarily a first baseman but also played some outfield and third base.

Driessen began his career with the Reds in 1973 and quickly became a key player for the team. He was known for his solid hitting and fielding abilities, and he helped the Reds win the National League pennant in 1975 and 1976. In the 1975 World Series, Driessen hit .357 with two home runs and four RBIs, helping the Reds win their first championship in 35 years.

Driessen continued to be a productive player for the Reds throughout the late 1970s and early 1980s. He hit over .300 in four different seasons and was named to the National League All-Star team in 1981. However, as the Reds began to rebuild in the mid-1980s, Driessen was traded to the Montreal Expos in 1984.

Driessen played two seasons with the Expos before being traded to the San Francisco Giants in 1986. He played just one season with the Giants before being released and signing with the Houston Astros in 1987. Driessen played in just 22 games for the Astros before retiring at the end of the season.

Overall, Driessen had a solid career in the major leagues. He finished with a career batting average of .267, 153 home runs, and 763 RBIs. He was also known for his versatility, as he played multiple positions throughout his career. While he may not be remembered as one of the all-time greats, Driessen was a valuable player for the teams he played for and helped the Reds win two World Series championships.