The provided data consists of a series of dates and corresponding YouTube video titles, mostly centered around the Professional Fighters League (PFL). These videos include Mixed Martial Arts (MMA) matches, events, and post-event interviews involving athletes from the PFL and Bellator organizations. Some videos cover ceremonial weigh-ins, press conferences, and exclusive behind-the-scenes footage. The chronology suggests the input represents a continuous stream of events within the PFL and Bellator universe.

The Professional Fighters League brings the sport-season format to MMA with a Regular Season, Playoffs, and World Championship.