Tottenham Hotspur defender Japhet Tanganga has admitted Toby Alderweireld and Jan Vertonghen were big mentors for him during their time at the club. The 24-year-old is currently away from the club having joined Championship side Millwall on a short-term loan basis. However, he has been speaking about his time in north London prior to leaving on loan to play more regular first team football. Tanganga hails Alderweireld and VertonghenIn what has been a tricky season for the defender to navigate, he now finds himself playing Championship football with Millwall. His time in the Bundesliga earlier …