UFC: Where Are They Now? Season 4 Episode release dates & where to watch

1. Joe Stevenson

A popular fighter who won the second season of The Ultimate Fighter, Joe "Daddy" Stevenson fought the likes of BJ Penn and Nate Diaz during his 16-fight career in the UFC. But his greatest battle came after his run in the Octagon, when a deep depression and alcoholism threatened to derail his life.

2. Marcus Davis

Before Conor McGregor, Irish MMA found a hero in fiercely proud Irish-American Marcus Davis, a 15-fight UFC veteran who was always in a good scrap. Sharing a day in his post-retirement life as a coach and gym owner, Davis reflects on his memorable UFC run and how he is adjusting to contributing to the sport outside of the Octagon.

3. Tim Sylvia

Tim Sylvia fought a who's who of his era, including Frank Mir, Randy Couture and Minotauro Nogueira. The two-time UFC heavyweight champ reflects on his fighting career and his new roles as a hunting show presenter, development contractor and father.

4. Josh Haynes

With the distinctive dyed blue hair and unforgettable story of drawing courage from his son's battle with brain cancer, Haynes struck a memorable character during the third season of The Ultimate Fighter in 2006. Seven years on from his final MMA fight, Haynes has moved on from the sport completely.

5. Marco Ruas

With a unique mix of submission and striking skills, Brazilian Marco Ruas is undoubtedly one of the progenitors of modern mixed martial arts. Now 57-years-old and living in California, the Luta Livre legend says he is at peace with this fighting legacy.

6. Pete Spratt

A cast member of the 'comeback' season of The Ultimate Fighter over a decade ago Spratt, still in shape at 46-years-old, is planning a final bout in 2017 while also focusing on teaching MMA, a music career and fatherhood.