Reports emerged of Sunderland 's apparent interest in the 20 - year - old Belgian last week .
Speculation was fuelled when Januzaj was left out of the United squad for their Premier League opener against Tottenham .
Reports emerged of Sunderland 's apparent interest in the 20 - year - old Belgian last week and speculation was fuelled when Januzaj was left out of the United squad for their Premier League opener against Tottenham .