Preview: Big games for Spanish trio in Champions League on Tuesday

MADRID, Nov. 24 (Xinhua) --- In Champions League action on Tuesday, Barcelona will travell for a key match away to Chelsea, while Athletic Bilbao has to forget its poor domestic form in a visit to Prague and Villarreal may produce its top domestic form in Europe.

Two wins, a draw and a defeat from four games have left Barcelona 11th in the 36-team group, so the five-time champion needs a win away to Chelsea that