There are two notable players named Anthony Mason in NBA history:

Anthony George Douglas Mason (1966-2015):

Played for 13 seasons with the New Jersey Nets, Denver Nuggets, New York Knicks (most notably), Charlotte Hornets, Milwaukee Bucks, and Miami Heat.

Interesting things:

Won the NBA Sixth Man of the Year Award in 1995, coming off the bench to be a major contributor for the Knicks.

Led the league in minutes played during the 1995-96 season (3,457) and set a Knicks team record.

Earned an NBA All-Star selection in 2001 and was named to the All-Defensive Second Team in 1997.

Known for his toughness, aggressive play style, and strong work ethic.

Anthony Mason Jr.:

Son of Anthony Mason Sr. Played professionally in the US and France.

Interesting thing:

Carries on his father's legacy by running a charity called Family One, Two, Three.