Lazcano turned professional in July 1993 in
Reseda,
California on the
undercard of a bill that included
Shane Mosley and Mauro Gutierrez. On his debut he defeated Chris Crespin with a first round
knockout.
Title fight Lazcano won twelve of his first thirteen with eight victories coming via knockout. Then, in December 1996, Lazcano fought his first title fight against
Californian Daniel Lujan for the vacant WBF
lightweight title. The first fight between the two was judge a draw and they again faced each other in a rematch three months later. This time Lazcano emerged victorious with fourth-round knockout. Lazcano took on
Ricky Hatton at the city of Manchester stadium on May 24, a bout that Lazcano lost via unanimous decision. Lazcano dished out and received punishment from Hatton from start to finish. At one point Lazcano had Hatton visibly hurt. A moment in which a quick timeout was called by the referee so Hatton's corner could tie his shoe. ==Professional boxing record==