He played college football at the Monterrey Institute of Technology (ITESM) and joined the Dallas Cowboys in 2020 as a part of the league's International Player Pathway Program.
He accepted a football scholarship from the Monterrey Institute of Technology and Higher Education (ITESM).
[1] In 2016, he was in the Mexico national team that earned a bronze medal in the U19 World Championship in China.
[3] He is part of the NFL's International Player Pathway Program that allowed him to train for two months alongside NFL players and draft hopefuls at the IMG Academy after being selected from an international combine held in Germany in October 2019.
[8][9] Alarcón was selected by the Calgary Stampeders in the third round of the 2021 CFL Global Draft on April 15, 2021.