Arsenal suffered an agonising defeat in the 2026 Champions League final, yet there does seem to be an inevitability that plenty more success is coming for this team.As they paraded the Premier League trophy around Islington on Sunday, there was a sense of pride in the streets, but also optimism.The disappointment is obvious following the penalty shoot-out loss to Paris Saint-Germain, yet Mikel Arteta has put in place the foundations that should ensure Arsenal are well positioned heading into next season.Arsenal are 6/4 favourites to win the Premier League again next season, and there is certainly reason to believe that momentum, combined with their stability, will hold them in good stead.Manchester City, Liverpool and Chelsea will all have new men in charge next season, while Manchester United have now appointed Michael Carrick on a full-time basis.A City side without Pep Guardiola is still seen as Arsenal’s biggest threat to a successful title defence, with Betfair pricing them at 5/2.Liverpool, following Arne Slot’s departure, are priced at 6/1, while Manchester United are 13/2 and Xabi Alonso’s Chelsea 11/1.In the Champions League, Arsenal are also considered to have a strong chance of going one better than this year.It took persistence for them to win the Premier League, and it may be a similar story in their pursuit of European glory.Arsenal finished second for three consecutive seasons before finally claiming the Premier League crown. In Europe, they have also made steady progress.In 2024, they were Champions League quarterfinalists, and a year later they reached the semifinals.This year, they are runners-up. Next year? It could be their time.Arsenal are 6/1 to win the Champions League, with Paris Saint-Germain the 5/1 favourites to retain the trophy. Bayern Munich are also rated at 6/1.Barcelona are 7/1, while English clubs Manchester City (7/1) and Liverpool (9/1) are also given a chance.