It was certainly a good result. Rice and Saka will presumably slot in for Vieira and presumably Jeses (with Havertz moving back up top) - or maybe Jorginho will drop out and Jesus will start the season up top. Has Jesus done enough? It's certainly possible.
I think that Martinelli will start the season on the bench and Arteta will allow Trossard to continue from wehre he ended last season. We'll wait and see though. As you suggest, Arsenal will need to use all of their squad - much like Man City do - if they're expecting to challenge for the league and in Europe.
They probably look better going into this season, with their level of depth, than they have done for a long time.
Oouch.
You know, I've been mulling the Trossard x Martinelli thing in my head.
I think Arteta likes Martinelli and would still start him ahead of Trossard.
Another thing I think he might do is, rotate both of them since they ordinarily have different styles of play. Use Martinelli for a more direct attack and Trossard for when he wants a diverse range of approach.
There are times I wished the other was the one on the field so, I think their position would be the most rotated upfront.
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