Fresno's Gary Salazar saw one mistake in his second pro fight and took full advantage.
Salazar landed a left hook near the top of the Carlos Gonzalez's temple and referee Raul Caiz Jr. waved off the featherweights at the 1:40 mark of the first round Saturday at the C. Robert Lee Activity Center in Hawaiian Gardens.
"I give all glory to God," said Salazar (2-0). "I saw an opening and that was it."
Salazar said he stuck to his game plan and "wasn't looking for anything in particular" until he saw the opening that allowed him to unleash the hook.
Salazar trainer Saul Lomas was pleased.
"We try to take these guys out," he said. "Can't sit around and fight with these kids."
Gonzalez fell to 1-5 after what was scheduled to be a four-round fight.
Salazar had 145 amateur wins with 11 national titles before turning pro in November.
His next fight will be April 11 on ESPN's Friday Night Fights at Mandalay Bay in Las Vegas, but in the meantime he may be on the verge of another big step in his career.
Agent Rick Mirigian said Top Rank, which backed Saturday's fight as part of its Solo Boxeo Tecate card, is at least considering signing Salazar.