Now the competition in the EPL is no longer about fighting for the trophy, the teams ranked 2 to 7 will compete with each other to win tickets to the UCL. This season's competition is more competitive than the previous season, the very small difference in points between the teams means they have to compete until the end of the season to get the 4 remaining tickets.
Arsenal only need one more win to secure a ticket, while the other three tickets are still up for grabs by City, Nottingham, Newcastle, Chelsea and Aston Villa.
You have said it all, the winner of Premier League trophy is now cleared which means no more competition in terms of winning the title. Liverpool have done it well by clearing the doubt of Arsenal and the rest of the teams that they are not here to compete for the title, but to take it, last season they started well and also named among the title winner but unfortunately they declined along the way and Manchester City to the advantage of that to win their fourth Premier league title.
As you said that Arsenal only need a win to maintain their stand and they still have four matches to go and among the matches there are two challenging match which is against Liverpool and Newcastle United but since they need a win to survive and their next match will be against Bournemouth, so I expect that Victory should come from this game since they are the one hosting.