Duke guard Austin Rivers is just the fourth player to leave for the NBA after one season in Mike Krzyzewski's 32 seasons at the Durham, N.C., school. Rivers' father, Doc Rivers, coaches the Boston Celtics. (Associated Press)

Duke guard Austin Rivers is just the fourth player to leave for the NBA after one season in Mike Krzyzewski's 32 seasons at the Durham, N.C., school. Rivers' father, Doc Rivers, coaches the Boston Celtics. (Associated Press)