Mike Simms was a professional baseball player who played as an outfielder and first baseman. He was born on December 17, 1966, in San Francisco, California. Simms attended Skyline High School in Oakland, California, where he played baseball and football. He was drafted by the California Angels in the 15th round of the 1985 Major League Baseball draft.

Simms began his professional baseball career in 1985 with the Bend Bucks of the Northwest League. He played for several minor league teams before making his Major League debut with the California Angels in 1990. Simms played for the Angels for three seasons before being traded to the Pittsburgh Pirates in 1993.

Simms played for the Pirates for two seasons before being traded to the Kansas City Royals in 1995. He played for the Royals for two seasons before being traded to the Detroit Tigers in 1997. Simms played for the Tigers for one season before being released in 1998.

Simms signed with the Milwaukee Brewers in 1999 but was released before the start of the season. He then signed with the St. Louis Cardinals but was released after playing in only two games.

Throughout his career, Simms was known for his power hitting and ability to play multiple positions. He played in a total of 448 Major League games, hitting .241 with 41 home runs and 137 RBIs.

After his playing career, Simms became a coach and instructor. He worked as a hitting coach for the San Francisco Giants' minor league teams and as an instructor at the Mike Epstein Hitting Academy in California.

In 2011, Simms was inducted into the Skyline High School Athletic Hall of Fame. He currently resides in the San Francisco Bay Area with his family.