Carl Frampton urges boxers to restrict sparring sessions amid concussion fears

Carl Frampton insisted he would have retired already if he was showing any signs of mental deterioration as the Northern Irishman implored other fighters to follow his lead and regulate their sparring sessions. Frampton takes on WBO super-featherweight champion Jamel Herring on February 27 aiming to become the first Irish fighter to win world titles in three divisions.