[7] In 2010, he left Alajuelense and joined the academy of Albacete Balompié of the Spanish Segunda División before announcing his departure in April 2012.

[12] Following the season, various teams inquired about signing the player including Major League Soccer clubs Columbus Crew SC, D.C. United, FC Dallas, and Sporting Kansas City.

[11] In December 2015 it was announced that Vargas had signed his first professional contract, joining the Pittsburgh Riverhounds of the United Soccer League.

[12] He made his professional debut for the club on 14 May 2016 in a 0–1 defeat to FC Cincinnati in front of a crowd of 23,375, a league record at that time.

[13] His performance in the match, which included saving eight of nine shots faced, earned Vargas USL Team of the Week honors.