UNDERWORLD BJJ

Underworld BJJ in Millersville, Maryland, offers a training environment centered on Brazilian Jiu-Jitsu, boxing, and Muay Thai, with a focus on practical self-defense and fitness. The academy’s mat space ranks among the largest in Anne Arundel County, accommodating a range of classes including gi and no-gi Brazilian Jiu-Jitsu sessions for adults. Open mat times provide students with opportunities to drill and spar beyond structured classes, supporting continuous learning and skill refinement. The head instructor, Carlos Catania, is an IBJJF-certified 4th-degree black belt who trained under Royler Gracie and has competed internationally, including at the IBJJF World Championships in Brazil. Alongside Carlos, instructors Aaron Clevenger and Robert Whitmire bring extensive backgrounds in striking arts, wrestling, and grappling, blending their experience into a curriculum that covers striking, MMA, and grappling fundamentals. Aaron, a black belt under Carlos, has coached since 2008, while Robert focuses on teaching fundamentals after earning his black belt in 2023. Underworld BJJ structures its programs to serve a diverse student base with adult gi and no-gi classes, as well as boxing and Muay Thai training. The academy emphasizes discipline, self-control, and physical conditioning as part of its martial arts instruction. The facility is wheelchair accessible and encourages newcomers to drop in and experience the training firsthand. The school also highlights the lifestyle aspects of BJJ, including the importance of recovery, nutrition, and building a supportive training circle that extends beyond the mats.

Amenities