id say fair play armband is used only by national teams, maybe im not correct, but thats what i think and i didnt see a club team wear these armbands, club teams use unite against racism, which is UEFA project, so they use it in champions league and uefa cup, but from what ive seen, most of the teams have their own armband (except epl teams, in my opinion there is a rule ordering them to wear epl armbands in epl matches, but they have another armbands for cl/uefa cup - most of them i made - i mean most of armbands used by epl teams in champions league, i didnt make armbands for epl teams in uefa cup) which they use in their home league and champions league/uefa cup, but they used unite against racism armband (they could choose from these two verions) in only one match, because of something... :P this is what i think, but for fair play armbands, id really say club teams dont use it... (maybe some teams from asia, africa or south america, but not european teams...)