Anthony Mason throws down a dunk during the 1994 NBA Finals for the New York Knicks/Photo by Associated Press

Anthony Mason, a power forward who toiled for 13 seasons in the NBA, died Saturday from a heart ailment. He was just 48.

Mason played five seasons with the New York Knicks. Clippers coach Doc Rivers was Mason’s teammate for two-plus of those seasons.

“The passing of Anthony Mason is so sad,” Rivers said in a statement. “He was a true warrior and a great teammate. He embodied what it meant to be a Knick. I loved him and my prayers go out to his family.”