Barcelona are preparing a January offer for Tottenham defender Jan Vertonghen.Sport says Tottenham could face a test of their resolve to hold onto Vertonghen in January with a £20m bid from Barcelona.
The Spanish champions have been monitoring the versatile Belgian for several months with coach Gerardo Martino earmarking him as the ideal choice to bolster the club's defensive ranks after failed moves for Daniel Agger, David Luiz and Thiago Silva.
The 26 year-old Belgian is unhappy at being played at left-back under Andre Villas-Boas and Barcelona hope to capitalise on the situation with a bid in January
