Former UFC fighter Chael Sonnen and current UFC heavyweight Josh Barnett are among MMA personalities expected to compete in grappling matches at Metamoris 4 on
Metamoris hosts its second event on June 9 in Los Angeles, and the elite invitational jiu-jitsu tournament is changing the landscape of the jiu-jitsu industry.
Shinya Aoki faces BJJ world champion Kron Gracie this weekend at Metamorsis II in a grappling match, but the One FC lightweight champion wants a
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