Fox and the Ultimate Fighting Championship are betting that mixed martial arts is ready for primetime.
Amid plummeting ratings and the growth of other sports, most spectacularly football, baseball was downgraded years ago as America's national pastime.
Major League Baseball is gaining in popularity abroad at the same time it ramps up its presence domestically.
For the NBA and its TV network partners, it has been a slam-dunk season.
On March 3, the current labor agreement between NFL, players expires, potentially leaving next season in jeopardy.