puzzle

[stormlover]

can anyone tell me why when two geographically close teams play against each other its called a "derby"

[mightyWBA]

http://en.wikipedia.org/wiki/Local_derby

The answer is no one knows!
I always thought it was because of the horse race but there are other theories.

[sn�gs]

http://www.phrases.org.uk/meanings/235375.html