There were only like 5-6 seasons when it was popular to go straight to the NBA from high school. In the last millennium, it was very uncommon. Instead, it was t

There were only like 5-6 seasons when it was popular to go straight to the NBA from high school. In the last millennium, it was very uncommon. Instead, it was typical for top players to stay for 3-4 years. Now, they usually stay for just 1. Compare: Mostly freshman/sophomores: http://en.wikipedia.org/wiki/2013_NBA_Draft#Draft_selections http://en.wikipedia.org/wiki/2013_NBA_Draft#Draft_selections Nearly all juiniors/seniors: http://en.wikipedia.org/wiki/1991_NBA_Draft#Draft http://en.wikipedia.org/wiki/1991_NBA_Draft#Draft (EDIT: Christ, look at UNLV in that '91 draft. Seniors from that team were picked #1, #9, #12, #29. That's completely unfathomable today.)