BBC Sport https://www.bbc.co.uk/sport/av/football/65365724 https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/33B3/production/_129453231_p0fjc7pj.jpg Tottenham Hotspur acting head coach Cristian Stellini apologises for his side's performance in the 6-1 defeat at Newcastle United.