Video: Sean Roberts shows how to stop the leg lasso before it begins
The leg lasso position is a way to control the guard passer and also as Sean Roberts, black belt of GMA Ralph Gracie, puts, annoy…
Ralph Gracie Chino Hills
Video: Submit or sweep & pass with Sean Roberts’ calf slicer from deep half guard
Sean Roberts of GMA Ralph Gracie Chino Hills has become known for his calf slicer submissions. Now he's able to show the submission from various…
Arizona, catch the tail end of Sean Roberts’ seminar road trip across the country
Black belt Sean Roberts of GMA Ralph Gracie Chino Hills has been driving across the country since the start of the year. The Southern California…
GMA members to take part in superfights at new submission-only event Aug. 10
GMA members from Ralph Gracie Chino Hills, Rocha Jiu-Jitsu and Crispim BJJ are set for superfights in a new submission-only event. Sean Roberts, who currently…
Benny Dariush hosting seminar at GMA Ralph Gracie Chino Hills April 20
Black belt under Bruno Mamute Paulista and Romulo Barral, Benny Dariush is hosting a local seminar at GMA Chino Hills. The 23-year-old is retired from…