Gabriel looks strong in the back three as well. Per will go in the summer and so we will have to bring in at least one new CB because we need 5/6 of them if we're going to consistently play three at the back.
That being said, Monreal/Chambers could do a job. In fact, I think it would suit Chambers quite well.
The fashion does seem to be to have a full back in there as part of the three, doesn't it, maybe because of their extra pace?. I gather Chiellini started out there too, so here's hoping Chambers can emulate him.
"Plenty of strikers can score goals," he said, gesturing to the famous old stands casting shadows around us.
"But a lot have found it difficult wearing the number 9 shirt for The Arsenal."