Palace face a fierce battle with Scottish giants Rangers to sign the tall, explosive striker who has already made a major impact north of the border.
This attracted the attention of Conference South side Welling United, who signed the striker in the summer.
Preston North End stepped in to sign the striker, paying £500,000.
On 7 August 2009, Lanús signed the Paraguayan striker on a joint-ownership deal.
Swindon fought off interest from Northampton Town, also of League One, who for long periods seemed more likely to sign the striker.
On 11 January 2008, was reported that Audax Italiano have signed the striker for an undisclosed fee.
On 3 July 2009 Udinese Calcio have signed the striker on a free transfer.
He soon relocated as English club Chesterfield F.C. signed the young striker.
On 28 July 2009, Napoli have signed the striker on a five-year deal, for €5 million.