Great Metro.
Feel free to use any of my suggestions as your own.
Here is Canada's take,
globesports.com: Oklahoma City gets ready to rejoin major leagues
Note their headline, "
Rejoin Major Leagues".
They're the ONLY media outlet so far that got this right, since this is NOT OKC's first major league team: The first could be considered to be the Oklahoma Outlaws - that Tulsa shared with OKC. But the New Orleans/Oklahoma City Hornets definitely were the first major league team to have OKC's name.