The biggest change in sports broadcasting since cable TV bursts onto the small screen this fall. ESPN, Fox, and Warner Bros. Discovery are poised to launch a new streaming experience that encompasses live content from just about every major sports league. The joint venture came as such a surprise that not even the sports leagues themselves were aware of the plan. Because big team-ups like this often end in fights down the line.
But the joint venture makes sense. Viewers have wanted an easier…