Alvin Cyrrale Robertson is an American former professional basketball player who played in the National Basketball Association (NBA) from 1984 to 1993, and for one final season in 1995–96. 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 also the only guard in NBA history to have recorded a quadruple-double.

The 1985–86 NBA season was the 40th season of the National Basketball Association. The season ended with the Boston Celtics winning their third championship of the decade, beating the Houston Rockets 4 games to 2 in the NBA Finals.