They can only own another sports franchise IF it is in the same city as the controlled NFL city or there is not an NFL team in the city of ownership. This is from an amendment in 1997 where prior, cross ownership was not allowed.
Example: Paul Allen owns the Seattle Seahawks and the Portland TrailBlazers because there is not an NFL team in Portland.
Harold Ballard was known to be an owner of two sports teams. He was a part owner and eventually a majority owner of the Toronto Maple Leafs team for the NHL. He was also owner of the Hamilton Tiger Cats NFL team for 11 seasons.
are you asking what sports have teams
Individual sports: Individuals directly compete against one another Team Sports: Groups of players (teams), compete against other teams.
sometimes it usally depends on the owner of the team for example the London ontarios hockey team owner named them the Knights just because he liked the name
Xavier is a university that has sports teams.
Rendezvous sports is the owner of Kochi IPL team
Kentucky does not have a professional sports team.
Carroll Rosenbloom (Baltimore Colts owner) and Bob Irsay (Los Angeles Rams owner) traded teams.
They have a Barcelona soccer team
No teams except for their University of Hawaii sports programs.