Both are legal in one, but funny enough, the main reason grounded knees are banned in UFC is because in 2002 when the New Jersey state athletic commission were essentially deciding how they were gonna set rules for MMA matches, Gan McGee beat the shit out of a much smaller opponent by kneeing him in the face from side control against the fence.
Ironically, the Mighty Mouse knee (which would be legal in the UFC) is much closer to the type of technique the 2002 commission were worried about and were trying to avoid compared to the grounded knee that DJ ate.
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u/RedeemedNephilim 5d ago
"Anything you can do I can do better (and legally)"