The Denver Broncos are playing one of their biggest games in a long time on Sunday.
They're taking on the Kansas City Chiefs. The Broncos have a chance to expand their AFC West lead.
And they're doing it with a four-digit number on their helmets.
Above everyone's forehead on the Broncos, there's the number 5280.
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Why do the Broncos have 5280 on their helmets?
There's a simple explanation for this: Denver is a mile high.
Literally, the city of Denver is about a mile above sea level.
And a mile equates to 5,280 feet.
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So that represents their hometown in a simple, smooth way.
It's not necessary, per se -- it's not like every team has something on that spot on their helmet.
But it's subtle, simple and pretty cool.
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