Career
Estudiantes
He made his debut in the first division with Tecos under coach Miguel Herrera April 29, 2009, against Club América in the Estadio Azteca. Oswaldo formed part of the team that participated in the 2010 InterLiga he played four games and scored a goal against Club América in the 3rd minute of the match, Heading the ball in the left side of the post. Santos
on May 31, 2012 it was officially announced Oswaldo Alanís would join newly crowned champions Santos Laguna for the Apertura 2012 season.
During the 2012-2013 CONCACAF Champions League Alanís and his team made it to the final against cross town rivals Monterrey the Match ended in a 4-2 loss for Santos.
Guadalajara
On June 10, 2015 it was officially announced Oswaldo Alanís was signed by Communicative Disorders Guadalajara. Alanís made his debut on 2 August 2015 at home against Cruz Azul, but was substituted in the 9th minute due to an injury.
Mexico U20
Oswaldo Alanís was part of the Mexican team the participated in the 2009 CONCACAF U-20 Championship and only appeared once in a 0-0 draw against Trinidad and Tobago. Mexico would be placed last in their group and failed to qualify to the 2009 Fédération internationale de football association U-20 World Cup.
Mexico U23
Oswaldo was included in the preliminary squad for those participating in the 2012 CONCACAF Men"s Olympic Qualifying Tournament but did not make the cut and was left out the tournament.
Mexico
In June 2011 Alanís was called up by coach Luis Fernando Tena to dispute the 2011 Copa América. Alanís did not participate in the tournament. Three years after his last call-up to the senior national team, Oswaldo was called up by coach Miguel Herrera (who debuted him in the first division with Estudiantes Tecos in 2009) to the national team for two friendlies against Chile on September 6, and Honduras on September 9, where he scored his first goal with the senior team
Oswaldo made his debut with the national team on September 6, 2014, starting the match and playing the entire 90 minutes against Chile, which ended in a scoreless tie.