In a single season, Moses Malone and Bill Walton simultaneously achieving this milestone in the 1979-80 season marking a huge salary jump from previous years. Things are sure different now.
Kareem declined a million dollar offer to play with the Harlem Globetrotters prior to joining the NBA. His first NBA contract was $1.4 million over five years which was considered astronomical at the time, but it did not amount to a million per season.