no problemo
The League codified this approach in an amendment to its Constitution and Bylaws that allows cross-ownership in another major league sports team in two narrow circumstances: (1) if the two franchises are in the same city, or (2) if the other league’s franchise is in a neutral market, defined as one that doesn’t currently host an NFL team and is not deemed a potential NFL city.
http://www.theofficialreview.com/nfl-cross-ownership-rules/