It will seem strange when Mikael Silvestre pulls on the Arsenal number 18 jersey for the first time.
We've got so used to seeing him in Manchester United colours that to see him turn out for us is going to take some getting used to.
His contract is also for two years, suggesting that the Arsenal policy may have changed and therefore giving us scope to retain older players who still have something to offer. Robert Pires, anyone?
As many Addicts have pointed out, signing a player of his age and experience is going to provide us with some quality defensive cover - and help the younger players hone their skills.
Most of us would rather see Silvestre filling in than Big Phil Senderos - but some reports today suggest that his arrival means Johann Djourou will be loaned out - possibly to Rennes. I think that would be a backward step and Djourou should be used in rotation as well so he continues to be a firm fixture in the squad.
Another report today suggests that Silvestre's arrival means that Kolo Toure will move into central midfield...
I love the fact that, since he joined the club six years ago, Toure has played in almost every position except goal for us - but he is now a central defender and I think he should stay that way.
But Silvestre's comments on Arsenal TV suggest that Arsene Wenger has promised him a first team place: "I left United because I didn't want to spend any more time on the bench. I was looking for a new challenge so hopefully I can get more games than I was getting at United.
"I prefer to play at centre-half and the manager knows my view. I could have waited for my testimonial but that's not my mentality."
Of course, Wenger did the same with Lassana Diarra and we know what happened there, but Le Boss also promised a central midfielder before the end of the transfer window and, despite assuring us that the signing would happen before the FC Twente return leg, I suspect he might wait until the end of the window in order to strike the best possible bargain.
While Gokham Inler remains favourite, Stephane M'Bia claims that Arsenal made a move for him, even though he already has his heart set on Everton. His loss, though the African Nations' Cup makes me reluctant to sign more Africans that could become integral parts of the team and are then missing for a month every couple of years.
Silvestre certainly gives us quality options at the back - and our defence has needed shoring up - but if he is the only signing we make before the end of the transfer window, it won't be enough to cope with the departures of Mathieu Flamini and Gilberto.