http://www.retroactiv.net/cgi-bin/YaBB.pl?board=rbljoin

Register for the boards then make a thread in "Join RBL" with the title "New RBL2".

Then put this in the thread:

Name:
aim:
email:
Top 3 team choices: This thing is brand new and not many teams at all are taken, so there is a good chance you will get what you want. Sorry I already have the Reds.

http://www.retroactiv.net/rbl2/ootp/
That is league and the rosters are pretty much updated.