The Giallorossi claimed a 2-1 win over Fiorentina this weekend, which maintained their unbeaten record in the league and moved them to within three points of leaders Juventus.
"We will never stop fighting," he told La Gazzetta dello Sport.
"We will always do our part, sacrificing ourselves until the end. We are a great team, we will prove it at AC Milan next week."
Roma are currently second in the Serie A table.