Vital Champions League games ahead for Barcelona, Atletico Madrid

MADRID, Jan. 20 (Xinhua) -- FC Barcelona and Atletico Madrid both play vital games in the Champions League group stage on Tuesday night, which could do a long way towards determining their workload next month.

Barcelona travels to Benfica looking to ensure a top-eight finish, which would mean Hansi Flick's side would avoid the extra play-off round between sides that finish between ninth and 24th in the group, gi