Complex sentence: In 2012 and 2013 teams were allowed use 2 foreigners player on the court in the same time, but, in 2014, teams can have only 1 foreign player on the court at a time.
Split into simpler sentences: In 2012 and 2013 every teams can use 2 foreigners player on count in the same time but in 2014 the rule has changed. Each team can have only 1 foreign player on the court at a time.