Roy Miller was signed in with the Jacksonville Jaguars on March 15,013. Roy Miller played four seasons for Jacksonville Jaguars, though he was brought in during the 2013 ground zero seasons of the Dave Caldwell-Gus Bradley rebuild. He started 49 games for the team; that is every game in those four seasons. On October 25, 2016, Miller was placed on injured reserve after sustaining an Achilles tear in Week 7 against the Oakland Raiders The injury last season was the first time in his career that he played less than 14 games in one year. His teammates and management at the Jacksonville Jaguars still remember Roy Miller mainly for his contributions to rebuilding the franchise. On March 12, 2017, Miller was released by the Jaguars.