Salas began his career with the Piratas de Campeche of the Mexican League in 2009. On December 31, 2009, Salas elected free agency. On March 11, 2011, Salas re-signed with the Piratas.[1] Salas played with Campeche through the 2018 season, pitching to a cumulative 3.57 ERA with 170 strikeouts in 242.0 innings pitched across 9 seasons with the team.[2]
On May 20, 2021, Salas signed with the Sultanes de Monterrey of the Mexican League. Appearing in 29 games, he posted a 4.08 ERA with 20 strikeouts in 28.2 innings pitched.
On April 21, 2022, Salas signed with the Pericos de Puebla. He made 10 appearances for the club, pitching to a 4.63 ERA with 10 strikeouts in 11.2 innings pitched.
On May 17, 2022, Salas was traded back to the Sultanes de Monterrey. In 14 games down the stretch, Salas worked to a 1-0 record and 2.77 ERA with 10 strikeouts in 13.0 innings pitched.
On January 30, 2023, Salas signed with the Guerreros de Oaxaca of the Mexican League.[3] In 26 games for Oaxaca, Salas posted a 5.60 ERA with 15 strikeouts across 17+2⁄3 innings of work.
