Video: Watch Benson Henderson get submitted in ADCC 2015 opening round

Ron Chenoy-USA TODAY SportsHe might have a strong grip inside the Octagon, but Brazilian jiu-jitsu black belt Benson Henderson didn't have what it takes to make it past the opening round in the 2015 Abu Dhabi Combat Club (ADCC) championships.

Several notable Ultimate Fighting Championship (UFC) combatants made their way to Sao Paulo, Brazil, this weekend, including "Smooth," who was submitted by Dagestan's Abdukadirov Magomed via rear-naked choke in the video below provided by MMA Fighting's Guilherme Cruz.

The 31-year-old Henderson, who continues his UFC run in the Welterweight division when he faces former 170-pound title challenger Thiago Alves at UFC Fight Night 79 in November, previously…