What are properties doing to stand out from the pack? What are they doing to add value to sponsorship offers?  IEG SR asked those questions to marketing execs at four properties: The NBA, Professional Bull Riders, Pier 39 and Chicagoland Speedway. Three key takeaways: Rightsholders need to offer tailored marketing platforms, facilitate business-building relationships and provide turnkey marketing services.  Emilo Collins, senior vice president of global marketing partnerships, NBA...