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Rumble makes his MMA debut at Pangea Fights 2 in Hollywood, CA, where he wins via TKO over Jonathan Romero
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Rumble debuts in the UFC at Fight Night 10 with a KO win over Chad Reiner
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Rumble is submitted by Rich Clementi via RNC at UFC 76
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At UFC Fight Night 13, Rumble adds a serious KO to his highlight reel when he leaves Tommy Speer unconscious against the octagon cage.
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Rumble loses via TKO (Eye Injury) , which is not overturned (for some reason) after being poked in the eye by Kevin Burns
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Rumble returns against Kevin Burns and knocks him out cold in the 3rd round with a vicious head kick.
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Rumble earns a TKO victory over Luigi Fioravanti at UFC Fight Night 17
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Rumble earns another TKO victory over Yoshiyuki Yoshida at UFC 104 in first round.
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Rumble loses the hope of a title shot when he is submitted by Josh Koscheck via RNC at UFC 106
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Rumble earns a win that underwhelms many with a decision victory over Dan Hardy at UFC Fight Night 24
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Rumble TKO's Charlie Brenneman with a head kick at UFC Live 6
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Rumble misses weight again and is submitted by Vitor Belfort in the first round at UFC 142. He is subsequently released by the UFC.