What is the BL tier?

Question

I just seen Gallade counts as a BL. what do that abbreviation means?

Answer 1

BL stands for Borderline,it has pokemon that are too powerful to be UU but do not meet OU standards.
and Gallade should be OU rather than BL.

Comments

I'm working on the BL tier so that it becomes its own seperate tier. Damn smogon.