Ramos is 37 years old now, of course his performance is no longer what it was when he was young, although at least their defense is a little better, Sevilla is still lacking in their front line and their attack power is less capable, so Ramos' arrival does not mean that he can improve the situation of Sevilla, which is performing very badly. early this season, but it seems we need to see things in stages.
I'm sure that Sevilla is in the process of getting better, they have to be able to recover from the slump of consecutive defeats that they got in the last few matches which weren't very good, at least in the next match Sevilla can get good results and not lose points, against Las Palmas they should be able to pick up points to secure their position and achieved victory at the start of this season.
Sevilla performance are worrying even though they didn't lose any of their last five matches against Las Palmas whether it was friendlies or back then in La Liga.
Ramos arrival might help fixing some defensive issues and maybe he could help scoring few goals with header but they definitely to fix the attack line so they can advance properly in La Liga!
Sevilla have lost all three matches this season. The team has yet to score any points. They started the season very badly. I would say the main reason for their poor performance is poor defense. Sevilla's defense is very shaky. Sevilla's defenders can't perform well even against weaker teams. The team conceded 8 goals in 3 matches. However, they have added La Liga's best defender Ramos to the squad to strengthen the defence. However, I doubt whether the 37-year-old Ramos can perform well. We have never seen a better performance from Ramos with PSG. It is tough to perform well and stay fit at the age of 37.