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Editor's Note: The article has been updated at 12:45 p.m. on Feb. 25 to reflect additional information.
The Ultimate Fighting Championship has lost a thriller of a matchup days before it was set to go down.
First reported by MMA Junkie on Thursday, William Knight (9-1) vs. Alonzo Menifield (9-2) at light heavyweight has been scratched from the UFC Fight Night 186 lineup.