Boxer Sergio Martinez training in Miami for title defense against Miguel Cotto

May 13, 2014 12:01 AM

UPDATED May 13, 2014 01:17 AM

More Videos

  • Mayweather finishes off McGregor in 10th

    Floyd Mayweather Jr. stopped UFC champion Conor McGregor on his feet in the 10th round Saturday night, ending the boxing spectacle of the summer with a harsh dose of reality..