The rumor that Activision - Blizzard had purchased Major League Gaming, North America's biggest eSports company, has been confirmed via a press release. Bobby Kotick wrote that the "acquisition of Major League Gaming's business furthers our plans to create the ESPN of eSports".
Sundance DiGiovanni, Chief Executive Officer and MLG Co-founder, said, "Our mission for over 12 years has been to promote and expand the growth of competitive gaming worldwide, and today the industry is at a key inflection point as its popularity soars and rivals that of many traditional professional sports. This acquisition and Activision Blizzard's commitment to competitive gaming will expand the opportunities for gamers to be recognized and celebrated for their competitive excellence."
Source: Email press release