Sammy Gutiérrez (born 31 December 1985), is a Mexican professional boxer in the Strawweight division. Guty was born in San Martín Texmelucan de Labastida, Puebla, Mexico. On October 23, 2010, he became the interim WBA Minimumweight champion by beating Colombian Luis Carrillo by 3rd round TKO. Using only the above description and what you know about the world, "Sammy Gutierrez said that his fight with Luis Carrillo was the toughest of his career." is definitely correct, incorrect, or inconclusive? 