Gareth Bale is closer to leaving Real Madrid now than at any time during his seven years at the Spanish club, according to his agent.
Spurs boss Jose Mourinho refused to speculate on the talks on Wednesday.
Bale, 31, left Spurs to join Real for a then-world record £85m in 2013 and has since scored more than 100 goals and won four Champions League titles.
In July 2019, Real Madrid cancelled a deal for Bale to join Chinese Super League club Jiangsu Suning, with the player spending last season at the Bernabeu, playing 20 games.
Barnett said on Wednesday: "We are still negotiating.