Alvin Cyrrale Robertson is an American former professional basketball player who played in the National Basketball Association (NBA) for 10 seasons with the San Antonio Spurs, Milwaukee Bucks, Detroit Pistons, and Toronto Raptors. Robertson holds the record for the most steals per game played, averaging 2.71 steals per game for his career and is the only player to ever have a season of 300 or more steals which he accomplished in the 1985–86 season. He is one of only four players and the only guard in NBA history to have recorded a quadruple-double.