I mean rookie in the Arsenal setup. I mean you guys have signed players with lots of matches in top leagues and international caps (Marmoush, Cherki, Reijnders etc) and they haven't exactly settled into top form yet enough to be trusted as regular starters or where you don't notice a drop off when they come on. And those 2 it was their 1st league match together.
And re extrapolation, do you think if City played every game moving forward in the same way they played the previous 13 that you'd end up less than 5 points behind?!!? Come on man. We all know City can (and probably will) play better but let's not pretend this is Arsenal being chased by a top notch City side of the past.