The sale of team specific merchandise is big business. Merchandise is sold for teams at all levels, from pee wee to professional. This market size is based on merchandise for sports of all sorts at the college and university level as well as professional teams. Leading sellers of Major League Baseball merchandise include the New York Yankees (27.5% of the MLB merchandise sales), Boston Red Sox (8.3%), Philadelphia Phillies (8.0%), Chicago Cubs (7.1%), and Detroit Tigers (6.9%).

Geographic reference: United States
Year: 2009
Market size: $11.5 billion
Source: Detroit News, April 8, 2010
Original source: SportsOneSource