New Zealand's Rugby national team is called the ALL BLACKS. They are one of the best and most feared teams in the world of rugby.
They named their basketball team TALL BLACKS because they are TALL ALL BLACKS... really.
But they suck...
If you wanna find out why their rugby team was named ALL BLACKS, read:
http://www.rugbymuseum.co.nz/asp/container_pages/normal_menu/rmArticle.asp?IDID=138