That is the truth, Arsenal will have to double up their games to stay on top if not the league since the gap between them and manchester city, and if their miss any of the lineup matches and Manchester City wins up to two matches ahead will result into the points being equal to that of Asernal, we can see how the took over the top position some time ago in this season.
The real test is closing Arsenal's winning trend this season. So it will be very difficult and at the same time provide a challenge for Arteta in controlling the game. Apart from that, Manchester City will focus more on the mentality of their players, not an easy thing to catch up with in the remaining matches and the Champions League schedule.
Facing Liverpool in the opening in April and having to keep picking up points is a tough burden. Pep Guardiola doesn't want the games they have until the end of the season to be bad results. Liverpool will try to block the move of Manchester City.