But Arsenal will be better than last years Arsenal, that's for sure (if they stay healthy). Gyokeres is the biggest question mark, many people shown his failure at England before as a risk, so we are going to see if he will be good or not, that is going to be that much important.
Last season, Gyokeres scored 39 goals and 7 assists in 33 matches. Liga Portugal may be less competitive. So Gyokeres has been able to score a lot. But can he not score 20+ goals in the Premier League? I have seen Gyokeres' performance. He is a very skillful player. Even if he cannot score 30+ goals in the Premier League, I guess we will see at least 20+ goals from Gyokeres next season at primear league.
Apart from Gyokeres , Arsenal have bought talented players like Zubimendi and Madueke. Arsenal have spent a lot of money. And we will have high expectations from this team this coming season. If the players do not face too many injuries, and the new players can adapt quickly to the squad, then Arsenal will doubtlessly be worthy contenders for the Premier League title.