Manchester City and Chelsea have been put on alert after Porto striker Hulk revealed he is not certain he will be with the Portuguese champions next season.
Chelsea have been heavily linked with Hulk, particularly while former Porto boss Andre Villas-Boas was at the helm, and reports in March suggested talks were ongoing with a view of completing a deal that would take the Brazilian international to Stamford Bridge in the summer.
Manchester City remain interested in signing the 25-year-old ahead of what is expected to be a busy summer at the Etihad Stadium, especially in the striker department.
City boss Roberto Mancini is reportedly contemplating selling off Edin Dzeko, Mario Balotelli and Carlos Tevez and bringing in high profile replacements, with Hulk said to be in the frame for a switch to the new Premier League champions.
Chelsea meanwhile could face a similar conundrum with Didier Drogba's future hanging in the balance
Both City and Chelsea were buoyed in their pursuit of the talented forward after he revealed there is a chance that his four year stay with Porto could come to an end this summer.
"I do not know yet what my future will be like. I have four years left on my contract and my agent is talking to Porto," he said.
“If I have to leave, I will take this club in my heart. If I stay, I will be 100 per cent committed.
"I try not to focus too much on a transfer, although I hear what is being said - I know there are interested clubs, but I do my best for that not to affect me."
Hulk's potential transfer fee could be a real stumbling block for both club's however despite their vast wealth, with the former Tokyo Verdy player's contract reportedly containing a release clause which would allow him to move clubs for £85 million.
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