Calum Chambers looked very much the part deputizing for Per Mertesacker in Arsenal's 3-0 Community Shield win over Manchester City.
Calum Chambers is officially an Arsenal player according to the club's Twitter feed. He joins Alexis Sanchez, Mathieu Debuchy, and David Ospina as confirmed new arrivals at the club.
This one has been simmering for a month but reports on BBC.com and elsewhere have Calum Chambers completing a medical with Arsenal and agreeing to personal terms in advance of finalizing a move to the Emirates for £12Million.
Arsenal are rumored to be leading Liverpool, Manchester United, and Chelsea for the signature of Southampton right back Calum Chambers.
Calum Chambers is back at training after dealing with a dead leg in Saints' last game.