Jim Davenport's journey in professional baseball began when he signed with the New York Giants in 1955. Born on August 17, 1933, in Siluria, Alabama, Davenport grew up with a love for the game, which eventually led him to a career in Major League Baseball (MLB). He made his MLB debut on April 15, 1958, with the San Francisco Giants, the team that had relocated from New York to San Francisco that same year.

Davenport primarily played as a third baseman throughout his career. Known for his defensive skills, he quickly established himself as a reliable player on the field. In 1962, Davenport's defensive prowess was recognized when he won a Gold Glove Award, an honor given to players who exhibit superior individual fielding performances at their positions. That year, the Giants reached the World Series, facing off against the New York Yankees. Although the Giants ultimately lost in a closely contested seven-game series, Davenport's performance during the season and the playoffs was commendable.

Throughout his playing career, Davenport was known for his steady presence at third base. He spent his entire 13-year MLB playing career with the Giants, from 1958 to 1970. Over the course of 1,501 games, he compiled a batting average of .258, hit 77 home runs, and had 456 runs batted in (RBIs). His consistency and reliability made him a fixture in the Giants' lineup during his tenure with the team.

After retiring as a player, Davenport transitioned into coaching and management roles within the Giants organization. He served as a coach for the team in various capacities, including as a hitting coach and infield coach. His deep understanding of the game and his experience as a player made him a valuable asset to the coaching staff.

In 1985, Davenport took on the role of manager for the San Francisco Giants. Although his managerial stint was brief, lasting only one season, it was a testament to his long-standing association with the team and his knowledge of the game. After his time as manager, Davenport continued to work in baseball, contributing to the Giants organization in various roles.

Jim Davenport's career in baseball spanned several decades, during which he witnessed and contributed to the evolution of the game.