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Without looking at the statistics, I think Barcelona will still be very convincing in winning. This season, the club in La Liga that is most difficult to lose is Barcelona and Real Sociedad position as the host team is not a reason to be able to dominate the game. So 3 points for Bacelona without having to worry and it is certain that La Liga has no obstacles to lifting the trophy.
Even if you are right, then I can never ignore the worst possible outcome of the match. Barcelona is indeed in their best form so far and they have a more convincing probability of winning, but Real Sociedad really cannot be underestimated.
Playing at home should be an advantage that can make Real Sociedad play well, but what is clear is that it is very difficult to stop Barcelona's winning streak when they are in their best form. So far Raphinha, Lewandowski and Lamine Yamal have been very productive in attack, of course these three are a threat to Real Sociedad's defense even though so far they have only conceded 10 goals in 12 matches. It is very difficult to stop Barcelona, so victory is certainly the most likely to be expected.