Okay my site breaks into 4 sections when it comes to teams:
Section 1:
http://www.midgardbb.com/BloodBowlTeams.html
The teams linked directly on this page are ONLY for the MBBL2 league. If you don't play in the MBBL2 or a league that uses the MBBL2 rules (WBBL, WBBJ-L, or CSBBL) then you don't need to worry about these teams.
Almost all of these teams have been allowed in the league for sometime and most have been tested, revised, tested more etc. to work out the bugs.
The 1st 2 columns are the teams allowed in the league. The first column is MBBL2 revisions of teams that are or have been at one point official GW BB teams. The 2nd column are teams that have never been official GW but that we allow in the MBBL2 because they are balance and cool.
The 3rd column is a listing of interesting other teams that have been suggested over the years that for one reason or another are not allowed to be played in the MBBL2, but are presented for folks personal assumement.
Section 2:
http://www.midgardbb.com/GWTeams/GWRosters.html
This is the listing of all the official GW LRB teams along with the last PRINTED version of any experimental teams that might become official LRB teams.
Section 3:
http://www.midgardbb.com/GWTeams/RevisedGWRosters.html
Based on testing and communication with the BBRC members, this is my most up to date understanding of what changes are being considered to the official LRB teams and the current printed experimental teams.
Section 4:
http://www.midgardbb.com/MBBL/MBBL_GWRosters.html
These are the teams used by the MBBL league. The MBBL is one of testing ground for the BBRC. As a result all experimental rules are used by this league along with any changes that the BBRC is leaning heavily towards.
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Hope that helps.