Photo by Casey Sykes/Fan Controlled Football/Getty Images

Zion Clark is now 1-0 as a pro MMA fighter.

“No excuses” is tattooed on the back of Zion Clark, who was born with caudal regression syndrome, a rare condition that left him without legs. He also spent most of his youth in foster care. Living up to that mantra, Clark never let anything hold him back as he spent years competing in track and field and wrestling in high school and college.

Now 25-years-old, the former...

Continue Reading Video: Zion Clark, wrestler without legs, wins pro MMA fight