Ronaldo, Messi take aim at Raul's record

(AP Photo/Alberto Saiz)

BARCELONA, Spain (AP) The Champions League returns Tuesday and Wednesday with Cristiano Ronaldo and Lionel Messi competing for yet another prize as the rival stars take aim at the tournament's all-time scoring record.

While the world's top two players continue their individual battle, three of England's four teams seek their first win, and the Spanish and Italian champions clash this week in Europe's top-tier competition.

Here are the things to know about this week's Champions League group games:


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