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 Clydesdales May Suit up for Super Bowl After All A-B Claims Fresh Edit of Rejected DDB Spot Led to Iconic Mascot's Return to Ad Lineup By Jeremy Mullman, Published on January 29, 2010 7 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. Register Now Already a member? Log in.