"league" - key terms from Wikipedia

afc champions league
american football league
american league
arab league
champions league
fa premier league
football league
football league	championship
football league	cup
football league	cup final
football league	first division
hockey league
human league
ivy league
justice league
justice league	of america
justice league	unlimited
league
league	baseball
league	cup
league	of extraordinary gentlemen
league	of nations
league	one
league	players
list of major league	baseball
little league
major league
major league	baseball
major league	baseball players
major league	baseball season
major league	soccer
minor league
national football league
national hockey league
national league
national league	championship series
national rugby league
national rugby league	team
negro league
premier league
rugby league
russian premier league
scottish football league
scottish league	cup
scottish premier league
soccer league
southern league
super league
uefa champions league
uefa champions league	final