I despise boxing and have no interest in watching mixed martial arts, but I f---ing love Ronda Rousey. She is everything we love about sports, and she's everything the year 2015 desperately needs. She's...

Think back to the great boxing matchups of all-time. Who comes to mind? Muhammad Ali-Joe Frazier? Sugar Ray Leonard-Roberto Duran? Mike Tyson-Evander Holyfield? Another bout may soon join the likes of...