The owners of a top-four Premier League club could step in after prospective Everton investors 777 Partners were forced to abandon a key overseas project. Miami-based group 777 have been locked in a protracted campaign to buy Everton for almost a year, although recent developments now mean that a deal is overwhelmingly unlikely. The Premier League has refused to green-light the takeover amid doubts that the firm can finance Everton going forward. Takeover frontmen Josh Wander and Steve Pasko meanwhile have been forced out of their positions at 777. Their business empire is crumbling. And 777 r…