In November 2005, 8,000 sports-logo jackets worth $600,000 in street value were seized in Nogales, Arizona. The jackets, which bared the logos of the Los Angeles Dodgers, New York Yankees, Dallas Cowboys, North Carolina Tar Heels, Michigan Wolverines, Georgia Bulldogs and Duke Blue Devils, were manufactured in South Korea and destined for Mexico. [1] 

Thomas Cove, vice president for governmental relations at the Sports Goods Manufacturers Association, estimates the total U.S. sales of all counterfeit sports equipment, including apparel, at $2 billion annually. [2]

In 1996, the FBI confiscated 100,000 counterfeit T-shirts bearing fake and unauthorized Nike "swoosh" and Olympic logos that were intended to be sold at the 1996 summer Olympic games.  The operation gnereated millions of dollars and was run by the followers of Sheik Omar Abdel Rahman - a blind cleric who was later sentenced to 240 years in prison for plotting to bomb New York City landmarks. [3]

Mitchell and Ness, the primary manufacturer of vintage sports jerseys, reportedly shuts down 150 to 200 eBay auctions of fake product daily. The jerseys normally retail for $200 and up, but knockoffs--with the brand label sewn on--are available for less than $20. [4]