Via press release:

UFC President Dana White announced today that the UFC FAN EXPO in Boston will feature four grappling superfights, two of which will feature high-level black belts Rolles Gracie and Gregor Gracie of the Renzo Gracie Academy based out of New York City.

"The superfights in Boston give fans the chance to see some of the best grapplers in the world," UFC President Dana White said. "With the Gracies, as well as the other competitors, we’ve got eight of the best grapplers in the sport. These are can’t-miss superfights for fans."

Friday, Aug. 27 at 2:00 EST:

Former UFC star Hermes Franca, a dangerous Brazilian Jiu Jitsu black belt who owns submission victories over the likes of Nate Diaz, Mike Brown, and Jamie Varner, takes on 23-time Grapplers Quest champion Ryan Hall.

ADCC world champion Penny Thomas, fresh off her grappling superfight victory over MMA veteran Shayna Baszler at the UFC Fan Expo in May, takes on Team Lloyd Irvin product Tracey Goodell in an exciting women’s matchup.

Saturday, Aug. 28 at 12:30 EST

UFC veteran and Brazilian Jiu Jitsu black belt Rolles Gracie takes on undefeated Grapplers Quest champion Roberto “Cyborg” Abreu.

Renzo Gracie black belt Gregor Gracie, a four-time Grapplers Quest champion, locks horns with reigning ADCC world grappling champion Pablo Popovitch.