It is very clear that Real Sociedad will win?
How can you see and predict that Real Sociedad will win, is it because they are playing at home or because Manchester United was lost by Fulham few days ago and was eliminated from the FA Cup so that you are not sure about Manchester United game and if it is only about the lack of players, reality they can occupy 3rd place in the Europa League standings.
I see there will be good game from Manchester United, the Europa League is the only hope they have right now, yes maybe it is an away game that will not be easy for Amorim and his players but at least they will definitely try and at least draw to be able to get an advantage in the second leg later.
You know it's easy, the reason why it's obvious Real Sociedad will win because their opponent is "Manchester United".
Manchester United is a weak team, hence Real Sociedad will not lose. I understand Real Sociedad lost against Real Betis, Barcelona and Real Madrid, but they're strong teams, Real Sociedad got red card and not play with their best player too.
This time will be different, Manchester United was just lucky for occupy 3rd place in the table.