Tottenham's 2-1 defeat against Monaco at the Stade Louis II on Tuesday evening may have been the final nail in the coffin of their Champions League campaign, but the soil had already started falling over their heads before a ball had been kicked.
Two back-breaking 'home' defeats at Wembley against Monaco and Bayer Leverkusen left Spurs with an uphill task, needing to claim just their second win in nine games against a resurgent Monaco side that haven't lost at home since July.
So why did Mauricio Pochettino's side, who are still unbeaten in the Premier League, fail so badly in Europe this season?