Gyökeres had a truly disappointing start to the season with Arsenal. He wasn't effective at all against Manchester United and didn't play well for Arsenal at all. That's why the manager substituted him in the 59th minute. I can't criticize him for that, as he doesn't look ready yet. It seems like it'll take some time for him to get ready for the tough competition of the Premier League.
When their is too much expectant from a player, this is the result you get. I know their is too much expected from him because of the hype and all that from his previous club but hype is different from reality. He is now in Champions League and not in Prmeria Liga where other teams are probably the same as the teams in Premier league lower division, this is one of the toughest league in the world, you can't come there and expect everything to change in one night, let the young man understand his new environment.
You may have look disappointed but they perform better and are able to secure their first season match with 3 points, the team I hated today is Chelsea, I don't know if I should be mad at them for making me have some loss or I should be mad because they didn't play to my expectations. That match could have been an easy fix, they had a goal canceled for them because Caicedo was push and everything became a draw but it was so difficult for Chelsea to score at least one goal, same team that want to play in the Champions League, I'm so piss and disappointed.