My ideas :
Training ground - you and your crew can control pro's to feel it or or you can practice together (set pieces)
Loan - you can be loaned (its mean you dont have to leave your club like it now)
Own Badge - like in Driveclub.
Own League - i mean like EVPA,IFVPA,FVPA etc. Manager from example EVPA made a competition , tables and invite the crews.Support for ESL.
My club - squad lists with actual top scorer , top assistant etc
Infos about club like "actual or longest win series", means fifa coins.
Club wallpaper - in your club area
Advertising,notice - on special table (near leaderboards) you can notice something about your club like im looking for GK , CB , * etc.
Your pro - tattoos ? , more in your BIO like how many i was a top goal scorer in seasons.