Top 10 most valuable sports businesses in the world

5. Under Armour

Brand Value 2013: $3.7 billion Brand Value 2012: $3.5 billion

Under Armour is an American sportswear company, which also supplies casual apparel as well. It serves a worldwide audience with additional offices in Amsterdam, Hong Kong, Toronto, etc.

Under Armour had begun offering footwear products from 2006 and the revenue it generates is almost 12% of the total revenue of the company. In fact, this year, the revenue is set to more than double by bringing in $290 million, with the revenue being $127 million in 2010.