Terence Crawford floors Shawn Porter twice in round ten to retain WBO welterweight title by stoppage, leading to Porter’s retirement

Terrence Crawford stopped Shawn Porter in the tenth round by technical knockout, with the latter then announcing his retirement. Crawford retained his WBO welterweight title and extended his streak of stoppages to nine in front of a sold-out crowd at Mandalay Bay. Porter’s trainer and father, Kenny, threw in the towel and called for referee […]