At 56, Ken Shamrock is rediscovering himself in Impact! Wrestling and will be inducted into its Hall of Fame. (Photo credit: Impact! Wrestling) For Ken Shamrock, the worst thing he can possibly be is “normal.” In Shamrock’s mind, normal goes against everything he believes in. For the UFC legend and combat sports icon, normal means he isn’t attacking every moment and opportunity like he did his opponents during his heyday as an MMA fighter. “The way I live my life is that I challenge myself to be better,” Shamrock told Yahoo Sports. “At one point in my life, I lost