Preview: Madrid derby attraction in Copa del Rey

MADRID, Jan. 25 (Xinhua) -- Real Madrid and Atletico Madrid go head-to-head in the Santiago Bernabeu Stadium on Thursday for a place in the semifinal of the Copa del Rey knockout tournament.

The Madrid derby sees Real Madrid return to their home ground for the first time since November 10 - a total of 77 days - and the return has already created some controversy, with the club sending just 334 tickets to Atletic