It's Science: Mackenzie Dern

It’s Science: Mackenzie Dern Full study (including all the stats and info from the study) will be available in the next issue of Jiu Jitsu Style Magazine Notable Study Stats: +53% submission percentage (73% in wins) 38% of submissions were footlocks Scored first in 8/11 wins Winning percentage of 72% 42% of sweeps occurred from […]

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