jason anthoney richardson (born january 20, 1981) is an american former professional basketball player who played 14 seasons in the national basketball association (nba). richardson was taken by the golden state warriors as the fifth overall pick in the 2001 nba draft after playing college basketball for michigan state university. he won the nba dunk contest in both 2002 and 2003, becoming the second player, after michael jordan, to win the competition back-to-back. richardson has also played for the charlotte bobcats, phoenix suns, orlando magic, and the philadelphia 76ers.