Arsenal fans have now had their say on how Bukayo Saka performed against Porto in their Champions League clash on Tuesday evening. Bukayo Saka was far from his best as Arsenal ultimately beat Porto on penalties at the Emirates Stadium. Plenty of credit ought to go to Porto left-back Wendell, who did a superlative one-on-one job on the 22-year-old Hale End academy graduate. However, even in spite of the Brazilian defender’s attentions, more would have been expected of the Arsenal man. All evening Saka looked far from his best. He struggled to find space, lost far too many of his physical battle…