After spending his true freshman season in 2011 as a backup, Matías started all 13 games as a sophomore in 2012. As a junior in 2013, he started all 14 games, including the 2014 BCS National Championship Game.[7] He returned as a starter his senior season in 2014.[8]
Professional career
Tennessee Titans
Matias signed with the Tennessee Titans as an undrafted free agent following the 2015 NFL draft.[9] He was waived on September 5, 2015, and was signed to the practice squad the next day, where he spent his entire rookie season.[10][11]
On August 17, 2016, Matias was waived/injured by the Titans after suffering a torn patellar tendon and was placed on injured reserve.[12]
On September 2, 2017, Matias was waived by the Titans.[13]
Ottawa Redblacks
Matias joined the Ottawa Redblacks in June 2018. He started his first game since the 2015 Rose Bowl in October 2018.[14]
Matias announced his retirement from football on March 30, 2019.[15]