The Premier League season reaches its crescendo on Sunday with all 10 matches kicking off simultaneously in a final act packed with jeopardy at the bottom end of the table and nearer the top in a European race tangled in permutations.The title has already been decided and four Champions League places have gone to league winners Arsenal, Manchester City, Manchester United and Aston Villa.Recommended Stories list of 4 itemsend of listSo attention now shifts to the final European berths – and a relegation scrap few would have predicted when the season kicked off.There is also a good number of big-name farewells. Al Jazeera Sport looks at the five biggest talking points on the final day.When will Arsenal lift the Premier League trophy?Arsenal’s first Premier League title in 22 years will result in a trophy lift after the game at Crystal Palace on Sunday.The Gunners’ victory was confirmed on Tuesday when Manchester City failed to win at Bournemouth – a result that would have kept the title in the balance on the final day.Arsenal manager Mikel Arteta admitted ahead of the trip to Palace that he did not even watch City’s match, instead opting to set up a barbeque in his garden for his family.His son, Gabriel, part of the Arsenal youth set-up, relayed news of the team’s first title since 2004.“I was supposed to be at Colney (the training ground), watching the game with the boys and certain staff because that’s what they wanted – but I couldn’t,” Arteta said.“I think 20 minutes later, before the gam …