After a 21 month layoff, it took only 3 rounds for Kostya Tszyu to prove that he's still the undisputed junior welterweight champion of the world. With accurate well-timed shots, Tszyu dominated for the majority of the fight.  Mitchell was sent to the canvas four times before referee Raul Caiz called a halt to the bout at 2:48 of round 3. Tszyu proved that he too is back and stated that he is only looking for big fights. More to come...