Ronald de Boer says his brother Frank would be interested in taking the Manchester City job - but only after 2016. Manuel Pellegrini finds himself under pressure after City fell six points behind leaders Chelsea in the Barclays Premier League title race and were eliminated from the Champions League by Barcelona on Wednesday night. The Chilean could be dismissed in the summer, with Ajax boss De Boer, Real Madrid's Carlo Ancelotti and Atletico Madrid's Diego Simeone among those linked with the job. Ajax coach Frank de Boer is in the frame to take over at Manchester City should Manuel Pellegrini depart . Former Holland international De Boer, 44, has guided Ajax to four consecutive Dutch titles . The pressure mounted on Manuel Pellegrini after Manchester City's Champions League exit to Barcelona . City trail Chelsea by six points in the Barclays Premier League title race . Ivan Rakitic scored the only goal of the second leg as Barcelona knocked out Man City 3-1 on aggregate . De Boer, 44, has guided Ajax to four consecutive Eredivisie titles, though they are well behind PSV Eindhoven this season. And his brother Ronald believes he will soon be thinking about his future. 'Frank would be interested in managing Manchester City in the future,' he told talkSPORT. 'He's already said he will stay at Ajax until 2016. If Manchester City or Barcelona come for him he will stay. 'After that [2016], he is ready to take on a job like that.'
Man City were knocked out of Champions League by Barcelona . Defeat heaped the pressure on manager Manuel Pellegrini . City are six points behind leaders Chelsea in the Premier League . Ajax coach Frank de Boer has been linked with the job . His brother Ronald said he would be interested - but only after 2016 . CLICK HERE for all the latest Man City news .