However, the Gunners will have to work hard to get a deal done for the Brazilian.
Per football.london, Guimaraes does have a 100 million release clause in his contract.
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In addition, Newcastle will have to sell at least one star player after failing to qualify for any European competition for next season.
"Arsenal have no plans to trigger the (100m) release clause," journalist Ben Jacobs revealed recently.
"They will only consider a move if the price drops. Martin Zubimendi remains a more concrete possibility.
Guimaraes has given every indication he's happy at Newcastle, but an exit can't be discounted due to the clause."