Mentioned this method already, pick a player that there is clear interest in:
Bit tricky that one, there are a few teams linked there, so lets wait for one of them to drop out :
Then post he has signed andwhen he does sign post you were correct !
Oh hang on, how did he sign two days ago, when he only actually signed today ?
Insert standard “Transfers take time to go through/last minute hitch” to cover tracks excuse no doubt.