Manchester city isn't that vulnerable yet, I think the recnts can be traced to their recent series of injuries been experiencing by some of their players and most of them are currently recovering so they are most likely to play in their next schedule and am sure they will be back on their feet with their exceptional performance once again.
Tottenham, Liverpool and Arsenal still remains the strongest of challenge Manchester city may have to face in the premier league this season but then if they could possibly get a good tactics to be able to tackle and overcome these team they are most likely to end up the champions of the EPL again but then we can't rely be sure until the season has gone half way and their performance clear enough by virtue of their points and position on the standings.
The citizens faced some challenges in previous games, everyone posting about the downfall of Manchester City, I'm just here watching and observing because I'm fully aware of the repercussions and frustration of these mediocre teams that are about to get heavily humiliated by City when they clashed. Manchester City is not vulnerable, they have a few shaky performance in their previous games, that portray they would bounce back more stronger than ever. Pep Guardiola is working entirely on his team, and we're aware on how genius he is and capable of handling fabricated matters.