Even though Sevilla is quite at home, I don't think Arsenal will be as disappointing this time as before when they lost against Lens. What is certain is that Arsenal needs points to maintain their probability of qualifying for the last 16 and there is no way they will lose this match. It is quite difficult to determine the outcome of betting on this match and the safest is BTTS because both teams will definitely score goals against each other. It is possible that the score will end in a narrow 1-2 win for Arsenal. There is nothing else that makes Arsenal lose this match and we can see their motivation increasing after winning over their rivals in the domestic league last week.
Sevilla also same, they also need points to overtake Arsenal and qualify for the next round, so it's not a thing should be discussed.But if we look at the squad, Sevilla will play without Erik Lamela, this is bad because Lamela is one of Sevilla's key player. While Arsenal will play with their good players, Saka will back after next few days. Arsenal will win with small margin like one or two goal(s).
I don't see Erik Lamela as a key player and I would rather see En Neysri or Lucas Ocampos as their key player. For Arsenal, playing without one of their key players is not a problem because they have an even squad and besides, their opponents are Sevilla, so no matter how hard Sevilla is, it won't change the fact that Arsenal will get 3 points.
It's a match like this Saka would have been eyed and tightly marked by the Sevillan defense because of his rythm with G. Jesus and his meandering runs.
I don't underestimate Sevilla in anyway but this Spanish side sits almost at the bottom of their league table as compared to Arsenal on tippy top of theirs.