Real Madrid will hold talks with the agents of Vinicius Jr this week as they try to find common ground on a new contract.Arsenal remain attentive to developments after posting their interest in the potential blockbuster signing of the 26-year-old should the opportunity arise for what they recognise would be an expensive transaction.Jose Mourinho wants Vinicius Jr to stay and Madrid are underlining they value the winger highly, but he has still to agree new terms and has one year remaining on contract.Mourinho faced media on Tuesday as Madrid ran out 4-1 winners in a friendly over Leganes, but there were no bold statements as the Spanish media expect the club to keep one of their prized assets.Madrid and his representatives are due to meet this week with the intention of making progress on a new long-term deal.Mourinho has telephoned Vini Jr and is understood to have told him he wants him to stay. Real Madrid are set to hold contract talks with Vinicius Jr, with Arsenal still interestedMadrid are still in the throes of agreeing a fee with RB Leipzig for winger Yan Diomande but the Ivory Coast international is set on moving to Santiago Bernabeu.Some Arsenal insiders fear their efforts are futile but others want to continue to press in case Madrid fail to reach an agreement.Meanwhile, Newcastle maintain they have still to receive a formal offer from Arsenal for Bruno Guimaraes.Arsenal have been preparing an offer around £70million for Vinicius Jr’s compatriot but proposals have come through his agent so far.Newcastle maintain he is not for sale but manager Eddie Howe admitted last weekend he was unsure where his captain’s future lies.