This timeline illustrates NJ sports betting origins and the current state of affairs. sports leagues and ushered in a new age of online sports betting. The ruling ended a nearly decade-long legal battle between the state and the five largest U.S. It became the first state to legalize online sports betting in the United States after SCOTUS overturned PASPA. New Jersey’s path to legalized sports betting was paved nearly a decade ago by then-Governor Chris Christie.