Floyd Mayweather and Tenshin Nasukawa Hold Open Workouts Before Fight

         Tenshin Nasukawa has touched down in Las Vegas -- and he's now at Floyd Mayweather's private boxing gym to show off his fighting skills for the media.&#160; Floyd is also at the gym and after 20-year-old Tenshin holds an open workout, both guys are&hellip;</a><br /><br />
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