I think this is the right season for Ten Hag to prove himself because his main contenders will be Man City and Arsenal because the other top team change their coach while Spurs has been too inconsistent to be among the list, my reason for this is from the fact that Liverpool just got a new coach and I won't really put him in high standard here especially how they ended last season while Chelsea nothing to say about them now and the players they're going for is something I don't want to speak about.
Aston Villa is still one team I think may get to top 4 though it boils down to the quality of players they add which I think they are working on now
He had the golden bell on his hand when Ronaldo was still in the game but his ego and over standard protocol person ruin everything he had and look where Ronaldo is playing in Saudi Arabia, he is well appreciated but Arteta is still struggling to get the top of the Premier League. His stay in the club isn't anytime for revival but perhaps there is no perfect replacement yet else if it's Manchester United that I know, he won have been deleted since his first season.
I'm not too convinced by the way other teams are buying players, there has not yet great moves or is it that some clubs are been careful of the kind of players they want to sign. I just don't see it yet that team that is going to take the first place in the Premier League from Manchester City, Guardiola will always be a step ahead of any coaches including the new and the existence ones.