While I worry that Adli will need time, perhaps a Tonali-like gap year, I don't think it's impossible he hits the ground running. If we've won (and dominated) big Serie A matches with Brahim and Krunic, I don't think Adli will be a problem. In the CL? While the boys froze (initially) at Liverpool, against Atletico, they came out roaring. Each game in our group was a quarter-final level, and I think they did well for their first year.If we keep playing in a 4-2-3-1 formation next season, we surely can't rely on Adli and Diaz. I like Adli from what I've seen. He's a talented player, but we can't rely on him on CL-level and in high profile Serie A matches. Diaz isn't good enough right now and will probably never be good enough.
I don't think it's too far fetched that we might see a slight change in formation next season. Probably a 4-3-3 with more dynamic midfielders.