Major League Baseball (MLB) is the oldest professional sports league in the United States and consists of 30 member clubs in the U.S. and Canada, representing the highest level of professional baseball. Under the guidance of its ninth Commissioner, Allan H. (Bud) Selig, MLB has implemented dramatic, fan-friendly changes, including Interleague Play, the expanded Wild Card Postseason format, the most comprehensive drug-testing program in American professional sports, significant revenue sharing among the clubs, dramatically improved competitive balance and a growth in revenue from $1.2 billion in 1992 to more than $8.0 billion in 2013. The last decade includes all 10 of the best-attended regular seasons in MLB history, with each year eclipsing the 73 million mark. MLB remains committed to making an impact in communities around the country and the world in a sweeping effort that perpetuates the sport’s larger role in society and permeates every facet of Baseball’s business, marketing and community relations endeavors. With the launch of MLB Network in 2009 and the continued success of MLB Advanced Media since 2000, MLB continues to find innovative ways for its fans to enjoy the National Pastime.