Jiu Jitsu Mag reports the ADCC roster adds Nia Blackman and Mateusz Mazur to the September 12–13 Kraków field, while Jeremy Reid’s weight-class advice weighs cutting, moving up, or staying put against performance and individual circumstances.
Upcoming events: Jacksonville BJJ Open, Rhode Island Grappling & BJJ Championship, and San Diego Grappling & BJJ Championship are scheduled for September 12.
ADCC’s updated roster adds Nia Blackman and Mateusz Mazur to the September 12–13 World Championship field in Kraków. The entries replace Gabi Garcia and Pedro Marinho; first-round matchups remain unannounced.
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Jeremy Reid examines whether competitors should cut weight, move up, or remain in their current class, emphasizing game, body composition, performance, and individual circumstances.
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