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Many if not most of the Ultimate Fighting Championship’s all-time biggest superstars burst onto the scene with an immediate impact. Ronda Rousey had already made her name in Strikeforce, and she was introduced as a pay-per-view headliner against Liz Carmouche before going on to main event some of the UFC’s biggest events. Brock Lesnar likewise was a well-known commodity from his time in World Wrestling Entertainment, and his fight with Frank Mir was hotly anticipated.