What makes you feel that Napoli will share point with Roma when Napoli is in a better position of winning of the match. If Napoli loses this match, it means that they are not fit to win the title this season, because it's an opportunity for other clubs to take over the top spot from them, and it shows that Napoli cannot be consistent in the long run. This match is a do or die match for Napoli, and Roma might not be able to withstand the pressure from Napoli due to the poor state of the team.