David Bailey was a leading AMA motocross and Supercross racer of the 1980s. He won the AMA 250cc National Motocross Championship and AMA Supercross Championship in 1983 and went on to win the AMA 500cc National Motocross Championship in 1984 and 1986. He tallied 30 AMA national race victories during his eight-year professional career, which was cut short in his prime after a practice crash left him paralyzed just before the start of the 1987 season. After his injury, Bailey reemerged in the early 1990s as an expert motocross television commentator.