Barcelona loses Lewandowski at vital moment with muscle injury

MADRID, April 20 (Xinhua) -- FC Barcelona could be without striker and top-scorer Robert Lewandowski for next weekend's Copa del Rey final and the semifinals of the Champions League, after the club confirmed on Sunday that he has suffered a muscle injury.

Lewandowski was forced to leave Barcelona's thrilling 4-3 win at home to Celta Vigo in the 77th minute, and on Sunday morning the club published a medical repo