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The Blues star looked angry when he was taken off at the weekend having come off the bench, but he has since reacted well to the situation

The midfielder moved to north London after starring for his country at under-age level but administrative issues prevented him from playing

The Dutchman once touted by Alex Ferguson as "one of the best young left-backs in Europe" has just been released by Apollon Limassol

The former Spain Under-21 international was considered one of La Liga's most exciting young wingers but he was ostracised by the Portuguese

The Spaniard's move to the Eithad was an ideal transfer in theory but, in practice, it proved a disaster, with the forward leaving a year later

Of all the talents unable to take the next step at the Bridge, none was hyped up more than the ex-France youth over whom Chelsea risked a transfer ban

Picking the worst signing from the Arsene Wenger era at Arsenal is tough but few send a shiver down the spines of Gunners fans like the Brazilian

The Brazilian defender moved to Camp Nou in 2008 at the start of the club's greatest era, but he never made a senior appearance for the Blaugrana

The Reds were in flux 10 years ago, far from the European force of present and few players sum up this low point more than the Serbian forward

When the Ghana international signed for Chelsea in a hefty £23m move from Augsburg in 2015, he appeared to be spearheading a major revamp of the Blues

Handed the No.9 shirt upon his arrival in north London in 2011, the South Korea international will go down as one of the Gunners' biggest flops