TRANSFER deadline day is here.

Fans across the UK are waiting on tenterhooks to see who their club will sign, with many hoping their side could land a potential superstar.

But beware, football is littered with signings who have left fans disappointed.

Sometimes they don't find their feet, sometimes they don't hit the ground running, and sometimes they just aren't very good.

To celebrate the 'excitement' of deadline day, we ranked Saints' 10 best and worst transfer window signings.

Scroll through the gallery above to see our rankings, and let us know what you think in the comments below!