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Arnold Allen
UFC
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Aaron Pico @ Arnold Allen
Oct 24, 2026, 2:00 PM ET - STATUS_SCHEDULED
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Background & History
REFERENCE
Chin (combat sports)
In combat sports such as boxing, kickboxing and mixed martial arts, a fighter's chin is the ability to tolerate physical trauma to the head, in the form of concussive or sub-concussive blows, without being knocked unconscious or severely disoriented.
REFERENCE
Calvin Kattar
Calvin Kattar ( KAY-tər; born March 26, 1988) is an American professional mixed martial artist and owner of MMA promotion Combat Zone. He currently competes in the Featherweight division of the Ultimate Fighting Championship (UFC).
REFERENCE
Arnold Adams
Arnold Adams (born July 9, 1985) is an American mixed martial artist and bare-knuckle boxer. He currently competes in the Bare Knuckle Fighting Championship, where he is the inaugural and a two-time BKFC Heavyweight Champion.
REFERENCE
Melquizael Costa
Melquizael Costa da Conceição (Portuguese pronunciation: [/mew.ki.za.ˈɛw ˈkɔs.tɐ dɐ kõ.sej.ˈsɐ̃w/]; born September 14, 1996), sometimes known as Melk Costa, is a Brazilian professional mixed martial artist. A professional since 2014, he currently competes in t