Herschel Walker has claimed that MMA is safer than football. "People shy away from it because they think it's a brutal, brutal sport, and I've said, 'Guys, MMA is safer than football and boxing,' " Walker said Monday during a conference call. "And people tell me they don't believe it. Am I not the most credible person to give you the answer to that? Because I played football."

Walker is scheduled to face Scott Carson on Saturday (10 p.m. ET, Showtime) for Strikeforce. It will be Walker's second MMA bout, nearly a year after his professional fighting debut.

MMA is safer than football because mixed martial arts allows tapouts and calls on referees to stop the action as soon as a fighter is too stunned to defend himself, Walker said.

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