He played professionally in the USISL and was the 1989-1990 SISL goal scoring leader.
During the 1989–90 Southwest Independent Soccer League season, Serrano led the league in scoring while playing for the Albuquerque Gunners top scorer[1] In 1991, he joined the New Mexico Chiles where he played four outdoor seasons.
In 1995, Serrano became the head coach of the La Cueva High School girls' team.
He took the team to the 1995 and 1997 New Mexico State High School championship.
In 2012, he became the head coach of the West Mesa High School girls' team.