Looking for teams for IDP league

I need some teams for a defense-only league. Free to join, fun to play!  It's a yahoo league - see link below.

http://football.fantasysports.yahoo.com/league/ironwall

Still looking for teams.  

Here are the roster positions:
DEF, DEF, D, D, DB, DB, DB, DL, DL, LB, LB, LB, DT, DE, CB, CB, S, S, BN, BN, BN, BN, BN, BN, BN, IR

Many different scoring values for different defensive activities (tackle, assistant tackle, INT, tackle for loss, pass defended, etc.).