Normally i expect realmadrid to have a upper hand in this game even thouh both seem not be in a good form just as you've mentioned but i'm beginning to doubt realmadrid aswell after the recent 2 games performance and at the same time Rudiger injured again.. The defence is now almost down and very weak , the current defenders lacks defending skills and it kind of sucks to watch 
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Hence, maybe i can just see them having equal chance of winning right now although things could get wide with Realmadrid playing at home and that would be second leg, it has always repeat itself, i hope City won't allow such this time around as they seem to be allowing such lately from other teams ...
If Real Madrid has no problem with injured players in the defense line, most people must believe Real Madrid will win the match. Real Madrid actually performed better than Man City in all competitions. Sadly, there are 5 defenders injured now, all of them are main defenders. So, I can understand that you are very doubtful with Real Madrid chance to win the match against Man City. Real Madrid only can use Tchouaméni and Raúl Asencio for the center-backs, Mendy for the left back, and they have no right back. Well, Real Madrid defense is very worrying because of this injury problem...Hence, maybe i can just see them having equal chance of winning right now although things could get wide with Realmadrid playing at home and that would be second leg, it has always repeat itself, i hope City won't allow such this time around as they seem to be allowing such lately from other teams ...
Even if they will play at home, it won't bring a big impact because they can't play with their ideal lineup. Some players are forced to play not in their best position, ex: Tchouaméni and Valverde. This will make the players probably to play under his performance and they can't optimize the contribution the the team.
