In no particular order but numbered to make viewing easier. Enjoy!
20. Manchester United
The infamous Manchester United grey kit. Apparently the players were unable to "see" each other and the shirt was blamed for United's defeat to Southampton. A dull, dull shirt.
19. Athletic Bilbao
Tomato ketchup or artistic? You decide!!
18. Oldham Athletic
Be honest, it makes you want to vomit.
Lucky for the Premiership new boys they no longer sport these tiger numbers.
16. Anything worn by Jorge Campos
Well known for his flamboyant outfits, Campos designed his own kits. It shows!!
15. Huddersfield Town
One can only imagine how hard it was for the players to be taken seriously in this.
If you can't beat them, scare the living daylights out of 'em!
13. Birmingham City
Someone just let a child loose with some paint.
12. Coventry City
The Sky Blues when they were a little off colour.
Pink just doesn't work in football.
No not your grandfather's shirt, but one of Kilmarnock's past kits.
9. Notts County
Another shirt designed by kids with paint.
Just no excuse for putting grey and orange together!
So bad it's hard to find the words.
Thankfully more recent yellow efforts allow Gunners to be seen in public.
Yes, ok, we know who you are.
4. Hartlepool United
It's not quite sure what its meant to be AND its got a butterfly on it.
3. Dundee United
So bad it was banned! Well actually it was banned because it had swastikas embedded in their shirts (intentional or not). Not at all clever!
1. Caribous of Colorado
I'd never heard of them either, but do I really need to explain this! Is it a football jersey, or a cowboy shirt?!
So there you go some of the world's ugliest shirts. The order you may not agree with, but surely on the contents you do.
P.S.: Check out Pt. 2 and proof that the "cowboy" shirt is real here. Thanks.