In addition to his work with MLB Network, Hart currently serves as senior adviser, baseball operations for the Texas Rangers.
Hart was the Cleveland Indians general manager and executive vice president from 1991 to 2001. During Hart's tenure, Cleveland won six AL Central division titles (1995-1999 and 2001), and reached the World Series in 1995 and 1997. Hart joined the Cleveland organization in 1989 as a special assignment scout and acted as the club's manager for the final 19 games of that regular season. Hart served as Cleveland's director of baseball operations in 1990 and 1991 before becoming general manager in September of 1991. Following his time in Cleveland, Hart served as the Rangers' GM from 2001 until 2005.
Hart became the Orioles' third-base coach in 1988 after managing in Baltimore's Minor League system for six years, where he earned 1982 Appalachian League Manager of the Year honors and was named International League Manager of the Year in 1986.
Hart was an All-American catcher at Seminole Junior College and began his professional baseball career in 1969 in the Montreal Expos organization. Hart would catch in the Expos system for three seasons before returning to college to graduate from the University of Central Florida with degrees in history and physical education in 1973.