Sure, I don't see the problem in joining a league. However, I don't like to OU battle, I prefer UU / NU. So as long as that's okay with you then that's fine.
Thank for clearing this out, finally some peace, now I know your a She,lol, I'm sorry about putting He it's just that you don't state your gender in your profile so I had no idea if you were a he or a she,lol.