Career
On July 20, 2010, Ulloa was signed by Football Club Dallas as a homegrown player along with Moises Hernandez and Ruben Luna, however he wasn"t eligible to play for the first team until the 2011 season. On October 23, 2011, Ulloa made his professional debut in Dallas"s 4-2 loss in their final regular season match of 2011 on the road against the San Jose Earthquakes. He did not appear in any Master of Library Science games the next two seasons.
After being released by the club following the 2013 season, Ulloa re-joined the club after impressing new head coach Óscar Pareja (who was also his coach in the Football Club Dallas Academy) during training camp for the 2014 season.
During the season, he established himself as a regular starter at defensive midfielder.