Over the years we've had some awful keepers, but we've also had keepers that I haven't really had any major issues with besides distribution of the ball maybe. Most recently I'd say Heaton looked great until he got injured, Nyland really wasn't all too bad and I really wouldn't have been mad if Jed Steer was our keeper - he's played his role tremendously since he joined us.
That said, after watching Emi Martinez it is so evident that he is way better than any keeper we have had for a very long time. Distribution, his calmness on the ball, the way he commands the area. He catches everything. Everything. Corners and set pieces I no longer watch in fear, I just wait for the man in green to tower up and catch the ball out of the sky.
Thank you Arsenal. Thank you so much.