Federal Trade Commission ends second investigation of UFC

The Federal Trade Commission (FTC) has closed an investigation of UFC regarding whether "Zuffa, LLC, or any other unnamed persons, partnerships, or corporations have engaged or are engaging in conduct that violates Section 5 of the Federal Trade Commission Act," which holds that "unfair or deceptive acts or practices in or affecting commerce...are...declared unlawful." The Las Vegas Review-Journal was the first to report the story.
This is the second investigation the FTC has conducted