Career
Oropeza got the attention of Cimarrones de Sonora while playing for the Club América U17 team He started playing for their affiliate farm team in the Tercera División, Poblado Miguel Alemán Football Club. He scored 23 goals in 26 matches between 2013 and 2015, including 4 in one game against Universidad Autónoma de Sinaloa. Oropeza played two matches in 2013 and one in 2014 with the first team, while they were still in the Segunda División, but finally made his professional debut in Ascenso MX on August 14, 2015, when the Cimarrones played Coras de Tepic to a 0–0 draw.
He came in as a 62" substitution for Jorge Aparicio.
