the person that arranged friendly is in you friends list, click on them and unfriendly them so they can`t do again, also check mail box ( news ) you can cancel there too, i`m expecting it in a couple day`s ( maybe ) as this team arranged when first agreed but was at 6am ( fine by me ) but after that i`m watching, if they do i`m kicking them off then shoving down their gob by beating them