Gary Thurman embarked on his professional baseball journey when he was drafted by the Kansas City Royals in the first round of the 1983 MLB Draft. A native of Indianapolis, Indiana, Thurman was known for his speed and defensive prowess in the outfield. His major league debut came on September 1, 1987, with the Royals, marking the beginning of a career that would see him play for several teams over the next decade.

During his time with the Royals, Thurman was primarily utilized as a backup outfielder and pinch runner. His speed on the bases was a valuable asset, and he often came into games in late innings to provide a spark on the base paths. Despite limited opportunities to showcase his batting skills, Thurman maintained a presence in the Royals' lineup through his defensive capabilities and base-running acumen.

In 1992, Thurman joined the Detroit Tigers, where he continued to serve in a similar role. His tenure with the Tigers was brief, and he soon found himself moving to the Seattle Mariners in 1993. With the Mariners, Thurman saw more playing time and had the chance to demonstrate his abilities in the outfield more regularly. His time in Seattle allowed him to further develop his skills and contribute to the team's efforts during the season.

Thurman's journey in Major League Baseball also included stints with the New York Mets and the Montreal Expos. Each team utilized his speed and defensive skills, often calling upon him in crucial moments to make a difference on the field. While his batting average remained modest throughout his career, his role as a reliable outfielder and base runner ensured that he remained a valuable asset to the teams he played for.

After his playing days concluded, Thurman transitioned into coaching and player development roles. He worked within the minor league systems of various organizations, sharing his knowledge and experience with younger players. His post-playing career demonstrated his continued involvement in the sport and his desire to help shape the next generation of baseball talent.

Throughout his career, Gary Thurman was known for his speed, defensive skills, and ability to contribute in key situations.