Authorities seized over 15,000 counterfeit NFL jerseys in the days leading up to the 2011 Super Bowl. In total, the United States Immigration and Customs Enforcement seized $3.56 Million worth of counterfeit Super Bowl merchandise during the event.
Between the 2007 and 2001 Super Bowls, over 66,000 counterfeit items were seized in total over the 4 years. The counterfeit goods had a value of $6.36 Million.
Source: Jessica Dickler, “Feds crack down on counterfeit Super Bowl gear,” CNN, January 25, 2012.