No on Chappell.
The timeline is pretty narrow. The NBA forbade early entry until Spencer Haywood sued them on this issue and won.
In 1970.
The courts ruled that neither the NBA nor the NCAA could prohibit players from going to the NBA based on age unless the restriction was part of a Collective Bargaining Agreement between the NBA and the NBA Players Association, i.e. management and labor.
The timeline is pretty narrow. The NBA forbade early entry until Spencer Haywood sued them on this issue and won.
In 1970.
The courts ruled that neither the NBA nor the NCAA could prohibit players from going to the NBA based on age unless the restriction was part of a Collective Bargaining Agreement between the NBA and the NBA Players Association, i.e. management and labor.