Chelsea's Premier League challenge appears to be all but over after a crucial 2-1 loss to Sunderland at the weekend. Although this will be a huge disappointment for those at the club, the Blues will now turn their attention toward their Champions League campaign, which remains very much alive.
If they are going to win Europe's biggest club competition this season, they will first have to defeat a tough Atletico Madrid side over two legs before overcoming one of Europe's elite clubs—either Real Madrid or Bayern Munich—in the final.
Although they are technically just three wins away from another night of European glory, the task at hand is much more difficult. Here are some of the key factors that will help Chelsea win the Champions League this year.