Career
Portillo was raised in New Orleans and played at Coastal Carolina University, becoming the school"s all-time leader in appearances. Portillo signed a professional contract with USL Pro club Charleston Battery on March 19, 2014. He made his professional debut three days later in a 1-1 draw with Orlando City.
At the end of the 2014 season, Portillo was voted the club"s newcomer of the year after establishing himself as a key starter in central midfield.