Summary:
Chelsea are in talks with Hamburg over a deal to sign a Turkish-born midfielder.

Full article:
Chelsea are chasing Hamburg attacking midfielder Hakan Calhanoglu - the man dubbed the next Mesut Ozil. Jose Mourinho will look to revamp his squad this summer and Calhanoglu is a player interesting the Stamford Bridge hierarchy. The Turkey star has been watched . extensively by Blues scouts this season. He has been a rare bright spark . in a largely disappointing season for Hamburg and scored a stunning 45-yard free-kick against Borussia Dortmund earlier in the season. VIDEO: Scroll down to watch Calhanoglu score a wonder goal . Wanted man: Hakan Calhanoglu is a target for Chelsea manager Jose Mourinho . He has been coveted by a number of European clubs, including Liverpool and Arsenal. Preliminary . discussions between Chelsea and Hamburg have taken place and the English club are understood to value Calhanoglu at around £7.5million. However, Hamburg want closer to £12m. Calhanoglu . will look to leave Hamburg in the summer and has informed his advisers . to find him a new club, with UK-based agent Muzzi Ozcan working on a . deal to bring the 20-year-old to England this summer. Calhanoglu's impressive displays have drawn comparisons with Arsenal midfielder Ozil, who is also of Turkish descent. Wonder strike: Calhanoglu scored from just inside the Borussia Dortmund half earlier this season . Stranded: Calhanoglu's strike hits the back of the net against Dortmund .