http://www.mercurynews.com/sports-headlines/ci_13921669

“I wouldn’t have gotten into this if I didn’t know I could do it,” said Walker, a fifth-degree black belt in tae kwon do. “I can fight.”

Walker added that he doesn’t need more money or publicity. But he does need competition.

That’s why he now is spending his days sweating with other MMA fighters at San Jose’s American Kickboxing Academy, which has become a hub for the emerging sport. One grueling session this week saw him repeatedly punching and kicking a heavy bag, then grappling with rising heavyweight star Cain Velasquez, who is 20 years his junior.

Although there are hints of his age in his facial features, Walker looks just as athletic as when he was a workhorse running back who retired as the NFL’s No. 2 combined-yardage leader — right down to a sculpted physique featuring washboard abs.

“I understand why people would hear that he wants to fight and say, ‘Yeah, right,’ " said American
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Kickboxing Academy head trainer Javier Mendez. “But he’s not a 47-year-old man. He’s got the body of a 20-year-old. He’s absolutely ripped. He’s not normal. He’s one of a kind.”

Diaz vs. Noons!

Shaolin then Walker!!!!!!

that would be a slap on their faces. haha. :)