Presented at the 2010 Academy of Marketing Science annual conference: Commonly sponsored enterprises such as sports teams, traveling shows, celebrities, charitable causes, museums, and festivals have built their own valuable brands that carry considerable equity in the marketplace. Yet, it is unclear if and how a sponsored enterprise’s brand is affected by the corporate brands that align with it. The results of this study demonstrate that the brand quality of a sponsored sports league is partially dependent on the brand quality of the league’s portfolio of sponsors.