You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract 'ESPN of Sports Betting' Seeks Growth in U.S. Ad Market Perform Group Aims to Be a Serious Player in American Sports Media By Michael Sebastian, Published on January 20, 2014 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.