The Abu Dhabi Grand Slam in Rio de Janeiro is among the best-paying, most prestigious stops of the United Arab Emirates Jiu-Jitsu Federation's Jiu-Jitsu World…
https://www.youtube.com/watch?v=JEu1thvQzHw In 2015, Marcus Buchecha saw his dream of becoming the first four-time world champion turn into a nightmare as he suffered a serious injury…