1. Dustin Poirier Retirement Announcement: Dustin Poirier, the renowned UFC fighter, has announced his retirement from the sport. The article discusses Poirier's impressive career, including his victories over high-profile opponents like Conor McGregor. It suggests that Poirier's decision to retire may come as a surprise to many fans and the MMA community.

2. Connor's Potential Readiness for Tyson vs. Paul Fight: The article raises the question of whether Connor will be ready to step in if the highly anticipated Tyson vs. Paul fight is called off. It speculates on the possibility of Connor taking on the fight, given his own history and reputation in the sport.

3. Ronda Rousey's Unwanted Comeback: The article also touches on the potential return of Ronda Rousey, a former UFC champion, to the sport. However, it suggests that Rousey's comeback may not be welcomed by some fans or the MMA community, given her previous departure from the sport and the way she handled her losses.