'Football war' - Barcelona boss Xavi anticipating huge battle with PSG for Champions League semi-final spot
Barcelona manager Xavi has backed his side to play attacking football against PSG as they look to clinch a Champions League semi-final spot
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- Claimed Tuesday's fixture will be a "football war"
- Barcelona hold a 3-2 lead after chaotic first leg
- Would face winner of Atletico Madrid and Dortmund
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