He graduated from Graham High School, also known as Graham Colored High School, and was drafted by the Kansas City Athletics in 1965. He was also drafted by the U.S. and his subsequent service in Vietnam delayed the start of his professional baseball career. He made his major league debut on April 17, 1968 and played his last game on October 3, 1976.

On the Arizona Instructional League team in 1967, Holt batted a team-best .367 on the Athletics' affiliated squad that also included Vida Blue, Bert Campaneris, Rollie Fingers, and Reggie Jackson. Holt was an outfielder and first baseman with the Minnesota Twins from 1968–74 and Oakland Athletics from 1974-76. As a member of the 1974 World Series champion Athletics, he had a pinch-hit single in game one, which the Athletics lost to the Dodgers. He drove in 2 runs with a pinch-hit single in game four, which the A's won. He had a career batting average of .265 with 19 home runs and 177 runs batted in in 707 games. He played in 4 World Series games and 8 American League Championship Series games.

After his major league career ended, he played with the Chihuahua Dorados in 1977 and the Monterrey Sultanes in 1978, both in the Mexican League Northeast.

He lives in Graham, North Carolina.

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