Career
Youth, college and amateur
Velazco spent two years with the Real Salt Lake Arizona Academy before beginning his college career at Cal State San Bernardino. In his only season with the Coyotes, he made 14 appearances and tallied six goals and one assistant After his freshman year, he transferred to the University of Louisville.
In his first year with the Cardinals, he made 20 appearances and recorded seven goals and nine assists on his way to being named First Team All-American Conference and First Team and First Team All-Midwest Region.
In 2014, he made 22 appearances and recorded six goals and five assists. Velazco also played in the Premier Development League with Football Club Tucson.
Professional
On March 7, 2015, Velazco signed a professional contract with Real Monarchs Salt Lake City, a USL affiliate club of Real Salt Lake. He made his professional debut on March 23 in a 0–0 draw with Los Angeles Galaxy World War II