Belliard won a silver medal with the Dominican Republic at the 1979 Pan American Games, then signed with the Pittsburgh Pirates as an amateur free agent in 1980.

He remained a versatile yet seldom used player until 1990, when he left Pittsburgh and signed a free agent contract with the Atlanta Braves.

After his retirement as a player, Belliard served five seasons in the Braves' minor-league system as a roving fielding instructor.

[4] On December 5, 2019, Belliard was named a special assignment coach for the Kansas City Royals.

[5] While coaching with Detroit, Belliard, his wife Leonora, and son Kevin resided in Boca Raton, Florida.