Monterrey (2010–2012) — Made professional debut and won domestic and continental honors with the club.
Guadalajara / Chivas (loan 2012–2013, permanent 2013–2019) — Joined Chivas initially on loan and later permanently; part of squads winning major domestic titles.
Querétaro (loan 2018–2019) — Spent a season on loan.
Necaxa (2019–2021) — Continued Liga MX career.
International career:
Mexico U23 — Captain of the Mexico U23 team that won the 2012 CONCACAF Olympic Qualifying Tournament; part of the squad that won the 2012 Toulon Tournament.
Mexico senior team — Earned multiple caps and was included in Mexico’s squad for the 2014 FIFA World Cup (though limited appearances due to injury issues at times).
Style of play: A left-footed central defender known for aerial ability, positioning, reading of the game, and calmness on the ball. Has played both in a back four and as part of a three-man defense when needed.
Honors (selected):
With Monterrey: CONCACAF Champions League titles (depending on seasons involved)
With Guadalajara: Liga MX titles (Apertura 2017 Campeón de Campeones etc.), Copa MX (Apertura 2015), and possibly Supercopa or other domestic honors during his tenure
International: CONCACAF Olympic Qualifying Tournament 2012 (Mexico U23)
Notes: Mier’s career has been affected at times by injuries which limited his continuity, but he has been viewed as a reliable central defender domestically and at youth international level. Exact statistics (appearances and goals) vary by season and competition; consult current club sources or league databases for up-to-date numbers.