A 9-year-old has taken the world of Brazilian jiu-jitsu by storm. Now she's vying for a win in an international competition this summer. She's just 64 pounds, and if you watch Sufina Grajo fight ...

Clad in a traditional white robe and blue belt, Ivanka Trump confidently faced off on the Valente Brothers' blue mat.

Jiu-Jitsu is an age-old martial art. The 39-year-old has now risen in ranking and holds a one-stripe purple belt in BJJ after seven years. A practitioner gets a purple belt after acquiring a ...