Career
He played for the Mexico U-20 team at the 2003 World Youth Championship in the United Arab Emirates. Romo was released by Chivas United States of America following the 2005 season. In December 2005, Isaac Romo joined Chiapas under a 6 month-long loan contract, but did not appear in a league match.
On Summer 2015, Romo was transferred to second division promoted team, Cimarrones de Sonora.