The WNBA is entering its 30th season, a milestone worthy of as big of a celebration as its players could muster – and this year, they mustered up a lot. The Women’s National Basketball Players Association (WNBPA) negotiated a landmark collective bargaining agreement (CBA) with the league that, among other things, introduces a revenue sharing system and an estimated average salary of $583,000.This season, all players will make the minimum of $270,000, up from $66,000; others may make as much as $1.4m. It’s money that Alysha Clark, a veteran forward for the Dallas Wings and vice-president of the WNBPA, describes…