2. Lucas Piazon
Club: Vitesse (On loan from Chelsea)
Lucas Piazon made headlines in 2011 after Chelsea forked out an excessive £8m to sign him from Sao Paolo at the tender age of 17.
His career at Chelsea looked to be getting underway under Roberto Di Matteo after making his Premier League debut against Aston Villa in an 8-0 as well as impressing in the League Cup.
However, under Rafa Benitez he was sent out on loan to Malaga for the second half of last season and then sent on loan again to Vitesse in the summer for the entire 2013/14 season.
He has since impressed in the Dutch league, scoring 11 goals and assisting eight. He will have to do a lot more to break into Jose Mourinho's side side season, however.
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