Ramzan Kadyrov, Head of the Chechen Republic, creates a world-class MMA fight club to bolster his regime; global warming has a devastating effect on the Great Barrier Reef; baseball Hall of Famer Rod Carew discusses his heart transplant.

Correspondent Jon Frankel delves into the controversial world of bullfighting and Mary Carillo sits down with up-and-coming tennis phenom Frances Tiafoe. Plus, a profile on Jeff Glasbrenner, an amputee who recently added climbing Mount Everest to his impressive list of athletic feats.

Investigating the sexual abuse scandal engulfing British soccer; profile of Los Angeles Dodgers broadcaster Jaime Jarrin; interview with pinball player Robert Gagno.

Exploring dangerous driving in the Dominican Republic; examining domestic violence in the mixed martial arts community; two brothers compete in youth triathlons.

Profile of professional baseball player Matt Bush; former basketball star Juan Dixon reunites with his father; former professional baseball player Rick Ankiel's battle with "the yips.''

Profile of New England Patriots owner Robert Kraft; interview with Chicago Cubs manager Joe Maddon; exposing the world of cockfighting; revisiting Ashrita Furman, the man who owns the Guinness World Record for the most world records.

The story of the late Kevin Turner, his son Nolan and their bond through football; NFL player John Urschel pursues a Ph.D. in mathematics from Massachusetts Institute of Technology.