Warning Pedant Alert!
There are at least 16 football teams called Arsenal:
1. ASV-Arsenal
The Football Association ASV Arsenal is a a special club from Holland. In 1988, the associations ASV Arsenal and Nedlloyd'70 merged in the Football Association ASV Arsenal. The club have 12 senior teams...
Americanisms get my goat.
"The Go ahead goal" is probably my least favourite. Closely followed by "zero zero" instead of 'nil nil' and "Uniform" when referring to the players kit.