As they continue to move away from traditional sports viewing, a growing number of Millennials are instead flocking to alternatives such as eSports, including live video-gaming competitions such as The International, an annual tournament devoted to DOTA 2. Though such events aren’t organized in the traditional sense, the growing popularity of eSports nonetheless has the potential to further diminish Millennials’ loyalty to traditional sports.

Source: L.E.K. Sports Survey — Digital Engagement Part One: Sports and the “Millennial Problem” – 1912_Sports_Survey_Part_1a.pdf