He hasn't though, has he?
Both won the title in Germany scoring 20-25 goals a year, Dzeko had good CL numbers. The difference would be that Lewa played in a more successful side in Europe.
Quaresma is more than dribbling, he has technical attributes that would stand out if he had the brain to support them. A huge waste when you think of how good he could have been, it has already been explained that he was supposed to be the star Portuguese winger over Ronaldo.
Marrone will play football with quality players when Sassuolo face the top teams in the league. Participation was the biggest problem, you could tell he had stalled by the end of last season, he was barely involved when Conte gave him a few games.