Summary:
Chelsea have rejected a bid from Valencia for Eden Hazard, with the Belgian reportedly keen on a move to Real Madrid.

Full article:
By . Simon Jones . Valencia have now made enquiries about Chelsea midfielder John Obi Mikel. The 27-year-old made 36 appearances for the Blues last season but is available, with Inter Milan also showing an interest in the Nigeria international. VIDEO Scroll down to watch Jon Obi Mikel couldn't prevent Nigeria losing 2-1 to USA . Surplus to requirements: Jon Obi Mikel will be allowed to leave Chelsea this summer . Meanwhile, Chelsea defender Tamas Kalas has joined Cologne on loan. The young Czech, who has also had two season-long loan spells with Vitesse Arnhem, made his debut for the Blues last campaign. However, he will hook up with the German outfit next term to gain regular first-team football. Staying put: Jose Mourinho will block any move for star man Eden Hazard . Elsewhere, Jose Mourinho says Eden Hazard will not be allowed to leave Chelsea. He said: 'Just because I say that Eden does not have everything, it doesn't mean I don't want him. 'For him, as for others, the door is closed. People who know me know that, when I say that, I mean it.'