Barcelona to offer David Villa + cash for Robin van Persie?

Despite the fact that Juventus are seemingly leading the chase, Twitter is buzzing with rumours that Barcelona are preparing to offer David Villa to Arsenal as part of a cash + player exchange deal in an attempt to hijack a move for Robin van Persie.
Reports in Spain over the last few days suggest that Barca are looking to sell Villa in order to finance a move for our captain. However, it is now thought that they may attempt to cut out the middle step and by offering the the Spaniard (along with £13 million) directly to Arsenal. Arsène Wenger has been linked with a move for Spaniard in the past; it was reported last year that Villa turned down the opportunity to play for Arsenal before he moved to Barcelona in 2010. Below, however, I will outline several problems with this potential transfer:
1) Twitter is a notoriously unreliable source ...