Two of the premier clubs in Europe square off on Tuesday in UEFA Champions League action, as Chelsea plays host to Barcelona.

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The UEFA Champions League, formerly known as the European Cup, is a time-honored tournament where the best teams across the continent come together to determine the best club in Europe.

In the league phase, teams play eight matches, with the top eight clubs advancing to the Round of 16, while the clubs that finish between ninth and 24th place are forced to go to the knockout phase play-offs.

Both clubs come into Tuesday battling to climb back into the top eight. As Chelsea continues to fight for a top-four spot in the English Premier League, earning a spot in next year’s Champions League, it is

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