The
Indianapolis Colts selected Alston in the 10th round of the
1988 NFL draft with the 270th overall pick. He played for two seasons with the Colts. In 1988, he saw action in 15 games and recorded three
sacks. The
Associated Press counted Alston among a number of rookies who "made big impacts" during the 1988 season. In 1989, he played in four games and recorded one sack. McNeil played poorly for the remainder of the game, in which he missed two blocking assignments and lined up incorrectly on a critical third-down play. and ended the season on the
injured reserve. On October 31, 1989, Alston was hospitalized, but listed in "satisfactory condition" after an automobile accident. He was charged with drunk driving and public intoxication related to the accident. but did not play another game in the NFL. ==Personal life==