Dhaka, Aug. 18 -- Spanish champions Barcelona opened their La Liga campaign on Aug 16 with an island cruise, as they played almost an hour against nine men on their way to a 3-0 victory in Mallorca.But their second-half stroll did not please coach Hansi Flick."They're three important points, but I didn't like the match," he told broadcaster Movistar."After going two goals up and following Mallorca's two red cards, I think the team only gave 50 per cent and I didn't like that."Playing at 50 or 60 per cent is not possible against nine players."Two of Barcelona's Ballon d'Or nominees combined to put the visitors ahead after seven minutes, Lamine Yamal crossing for Raphinha to head in at the Son Moix.Yamal played a key role in the second goal a...