A teachers salary can't be compared to NBA players salary.
Basketball players are!
The collective noun for basketball players is the same as a team of players; a team of basketball players.
way less than football because football teams have more players on one team. Basketball has usually 9 to 15 players compared to 53 players on a football team.
Yes, there are dead basketball players.
Nowadays foreign players are better at basketball compared to the US. The Olympics can not be ruled by the US any longer because countries have played more and more basketball. Soon a lot more team will have foreign born players.