Huddle Up is a 3x weekly newsletter that breaks down the business and money behind sports. If you are not already a subscriber, sign up and join 100,000+ others who receive it directly in their inbox each week. Today At A Glance: Topgolf is one of the fastest-growing businesses in sports. So today’s newsletter breaks down the economics, including how much each venue costs to build, their profitability, why Callaway acquired the company for $2 billion in 2021 and more.