Tottenham Hotspur manager, Ange Postecoglou, has claimed his team did not have the right mindset following their 2-0 defeat to Chelsea on Thursday night. Nathaniel Chalobah and Nicolas Jackson scored for the Blues, as they completed a Premier League double over their London rivals this season. The result put a dent on Spurs’ hopes of finishing in the top four and qualifying for next season’s Champions League. “It wasn’t a great night. We didn’t have the mindset that I expect us to have, so that’s on me, I’ve got to take responsibility for that. “Ultimately I’m the one that’s putting them out t…