Why did the NFL give up its non-profit status? Two stories, one of them my Nonprofit Quarterly newswire:

https://nonprofitquarterly.org/policysocial-context/26044-why-did-the-nfl-give-up-its-tax-exempt-status.html?utm_source=hs_email&utm_medium=email&utm_content=17372344&_hsenc=p2ANqtz-_w0kqDdZHWWBlcxSCJHNMWfa_nqToKrAdCbUxdk3_do6YfHiGT15kQBOF15it07HCo8j8O0KeyWWCTbb2op8Ex823nNbvOvj9S-amQsnnbJ-7pDyc&_hsmi=17372344

http://www.theatlantic.com/business/archive/2015/04/why-the-nfl-decided-to-start-paying-taxes/391742/