Portugal got their Euro 2020 campaign off to a perfect start with a 3-0 victory over Hungary in Budapest, but you would be hard pressed to find many who would not agree that the results line flattered Fernando Santos' side.Admitted to the "death squad" along with Germany and France, it was imperative that Portugal overcome an enthusiastic and stubborn Hungarian side - and even if they did in the end, it was not easy 90 minutes in front of a partisan Puskas Arena.With six minutes left in the match, Portugal had not yet made…