As relates to Amartey, and this won’t be a popular opinion, he should probably start a run of games.
To Brown Noses point earlier this week: it’s a very young inexperienced team and loads of naive mistakes are going to get made. If we bomb out players after their first poor game/bad mistake this season we won’t have any left by Christmas. I know Amartey has a bit more history behind him, but so does Puel and I’ve been reliably informed by this forum that this is a season for second chances.
If he’s in the side because the full strength team isn’t ready, that’s one thing and he can be dropped. If Puel sees him as integral, then he needs to be treated as such even if he had a balls up in the first game.
Basically, drop him now and I think you lose him forever. I’d let the lad play his way out of it.