Monday Bbc Sports Football Gossip Newcastle would be willing to let Alexander Isak leave for £83.3m (100m euros) this summer if they fail to qualify for the Champions League, with Barcelona, Liverpool, Arsenal and Chelsea among those keen on the 25-year-old Sweden striker. (Sport - in Spanish), external Atletico Madrid are interested in Leicester's 28-year-old Nigeria midfielder Wilfred Ndidi. (Caught Offside), external Everton will make a move for Burnley's 22-year-old French centre-back Maxime Esteve if England international Jarrad Branthwaite, 22, leaves this summer. (Sun - subscription required), external Chelsea have been closely monitoring Middlesbrough's 16-year-old twins Anton and Bailey Palmer, with Tottenham, Aston Villa and Brighton also interested in the England Under-17 midfielders. (TBR Football), external Everton are set to revive their interest in Lyon's Rayan Cherki after considering a move for the 21-year-old French winger in January. (Football Insider), external Premier League clubs are scouting Shamrock Rovers' 16-year-old Irish striker Michael Noonan, who became the second-youngest goalscorer in Uefa club competition history when he scored against Molde in the Conference League on Thursday. (Times - subscription required), external Real Madrid are considering trying to quit Spanish football for another league in protest at the leadership of La Liga president Javier Tebas and what they perceive as biased refereeing decisions. (Sport - in Spanish)