Top-flight sides favorites, but will need to be careful in Spanish Cup second round

MADRID, Dec. 2 (Xinhua) -- The second round of the Copa del Rey knockout competition kicks off on Tuesday with four teams from the Spanish top-flight in action.

Las Palmas visits the Barcelona neighborhood of Gracia to play the historic club CD Europa, which was founded 117 years ago.

Europa currently plays in the RFEF II, which is the fourth tier of the Spanish game, and an in-form Las Palmas is favorite