Mikel Arteta is now in the midst of his 10th transfer window during his time as our manager, with many new faces entering the doors at the Sobha Realty Training Centre in that time.
The boss, allied with Sporting Director Edu, has tweaked his squad in most of those, adding plenty of quality in all positions to help us improve campaign after campaign - but can you remember every player he has signed?
There have been 25 across the past four-and-a-half years, so have a go at naming as many as you can below - but be quick as you've got just six minutes!