Normally the English Premier League is the most difficult league and every season we see lots of competition from the teams and any team that is not ready to improve and fix the team and her player if not they will be sent to the relegation zone straight. Arsenal is doing a good job after losing the league for two consecutive seasons they are signing good players which means they are ready for the competition next season.
Most of the Premier League clubs are very wealthy. They spend a lot of money to strengthen the squad. And that is why the Premier league is very competitive. Arsenal, city, liverpool, chelsea and united are all rich and interested in building a strong squad. Arsenal , chelsea and liverpool have spent a lot of money to make stronger their squad. We will know how successful they will be after the start of the season. Also , new players need time to adapt to the new environment, players and tactics. Though, it is expected that the title fight next season will be more intense than in previous seasons.