• Chelsea are unbeaten in their last 16 clashes with Spanish sides in the Champions League (W6 D10), with their last defeat coming against Barcelona at Stamford Bridge in February 2006.
  • Atletico Madrid and Chelsea have met four times previously, three times in the Champions League and once in the European Super Cup; both teams have won once along with two draws.
  • Chelsea are unbeaten against Atletico Madrid in the Champions League (W1 D2); having met in the 2009/10 Group Stages before their 0-0 draw in the first leg of this tie.
  • Atletico have travelled to England nine times previously in European competition (excluding qualifiers); winning only once (at Leicester City in September 1997, D4 L4).
  • Atletico Madrid have reached the semi-finals of the European Cup/Champions League for the first time since 1974 when they eventually lost in the final against Bayern Munich after a replay.
  • 45% of Atletico’s goals in the Champions League this season have been scored in the opening and closing 15 minutes of games (10 out of 22).
  • Atletico Madrid are the only team unbeaten in the Champions League this season (eight wins, three draws).
  • Chelsea have reached the semi-finals of the Champions League for the seventh time since 2003/04, the joint-highest tally with Barcelona in that time.
  • Chelsea have only lost one of their last 11 Champions League matches in the knockout stages (1-3 v PSG in this season’s quarter finals first leg).
  • 61% of Chelsea’s goals in the Champions League this season have been scored in the first-half (11 out of 18).
  • 86% of goals conceded by Chelsea in the Champions League this season have come in the second-half (6 out of 7).
  • Diego Costa has scored seven goals in seven Champions League games (one assist).
  • This is the eighth time in 10 full seasons as manager that José Mourinho has reached the semi-finals of the Champions League. It’s the third time with Chelsea after 2005 and 2007; however, he’s never made it to the final with the Blues.
  • Chelsea have never lost a semi-final leg in any European competition at home (W8 D4; in any of Champions League, Europa League, Cup Winners Cup and Fairs Cup).
  • Chelsea have won their last five Champions League knockout matches at Stamford Bridge, keeping a clean sheet in the last three of these.
  • Chelsea managed just five shots (inc. blocked) in the first leg. They have only attempted fewer in one CL game this season (one v Basle on 26/11/2013).