Sevilla has now a brand new coach (Mendilibar) so chances are that your memories from the last match don't repeat. It is surprising how bad they have been playing, but nothing lasts forever, so I'm optimistic about their future performance and I hope they don't end suffering relegation, of course.
I think it's too late for Sevilla management to jump to conclusions about sacking Sampaoli because the season is almost over and if they move quickly it's likely that Sevilla will have time to adapt to their new coach. yes Mendilibar has been officially shown as the new coach of Sevilla, I hope he can make a significant change to the remaining matches this season.
maybe one of the big pressures is to keep Sevilla in Laliga for next season because Sevilla ranking in the standings table is quite prone to being shifted by the team below it.