The UEFA Champions League returns Jan. 21 after a break that lasted over a month. Barcelona and Liverpool headline Tuesday's action.

Barcelona are set to resume their UCL campaign on Tuesday as they take on SL Benfica at the Estádio da Luz in their seventh league game of the season. The Blaugrana have been in formidable form,

Barcelona are just about hanging onto the coat tails of Real Madrid in LaLiga, although they have fallen seven points off the top despite some good recent results. Their Champions League run has been spectacular; they are sitting in the second spot in the league phase, just behind Liverpool.

Premier League leaders Liverpool are also leading the charts of the Champions League this season with an unbeaten run so far in the competition

Scenarios for knockout phase qualification with leaders Liverpool on the verge of round of 16 spot along with Barcelona

The UEFA Champions League returns following the break for the Christmas holidays. Two group-stage matches remain in January under this season’s new format, with much at stake.The top eight teams

A year of unprecedented pressures on the global football calendar begins with a Champions League first, as two rounds of matches in Europe's elite club competition take place in January