Dzeko criticised Di Francesco's tactics at the beginning of the season.
The coach considered: “What we said remains between us. The attitude when off the ball makes the difference to step up in quality. Dzeko is doing that and improving in what I asked for.
“There will always be scepticism in a city like Rome and those who don't see the training sessions understand even less. I have a little experience and I believe in what I propose. When the lads accept that, it all becomes easier.
“A player becomes ready to do the work when he believes in what you're showing him.