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 Will Sponsors Play the Harbowl? Sports Marketers, NFL See Opportunity as Brother Head Coaches Face Off in Big Game By Michael McCarthy, Published on January 28, 2013 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.