A night of high-profile sparring turned into something resembling Fight Club. What went wrong?

A recent boxing showcase in Brooklyn promised opportunity. But it exposed fighters to unnecessary risk in front of an enthusiastic crowd and an influential audience

The videos are troubling. They've made their way online through social media and other postings.

A club fighter, Jacob Solis, is in the ring with a world-class fighter named Marquis Taylor. Both men are wearing headgear. Solis is under the impression that this is a sparring session. Taylor has been incentivized to treat the encounter as something more.