One of Hulk's agents has left door open to a move for the Brazil star after the Confederations Cup.
Blackburn Rovers boss Gary Bowyer says it would take a substantial offer for anyone to sign Martin Olsson this summer.
Reading winger Jimmy Kebe claimed he was about to become Newcastle's latest recruit on Thursday before admitting he was joking.
The 29-year-old said on his Twitter account: "On my way to Newcastle, having medical then sign a 4 years contract. Thank you all for your support you've been outstanding !!!!"
However, the Magpies denied the claim and, shortly afterwards, Kebe tweeted: "Oups [sic] i thought if you're french and play football u just pop in to Newcastle and sign a contract ???? Not a chance of leaving #LoveReadingFc#".