I am thinking about a league of teams which were in leagues which are now defunct. Could you justafanize these leagues? You already put together the ABA. How about the USFL? WFL? WHA?
USFL Logos - United States Football League Logos - Chris Creamer's Sports Logos Page - SportsLogos.Net
You already did Philadelphia Stars and Tampa Bay Bandits
WFL Logos - World Football League Logos - Chris Creamer's Sports Logos Page - SportsLogos.Net
You already did Philadelphia Bell and Southern California Sun
WHA Logos - World Hockey Association Logos - Chris Creamer's Sports Logos Page - SportsLogos.Net