Here we go then. Potentially Barcelona's most important transfer deadline day in recent memory.
After the curtain is brought down on Monday night, the Catalans will be unable to sign anyone else until January 2016.
The gravitas of that situation cannot be downplayed.
If there are still deals to be done at the death, then Barca need to be prepared to be in at the sharp end of negotiations.
Let's take a look at who is being linked and keep checking back throughout the day as this page will be constantly updated with any news.