Casey, 5-11, 190, has appeared in four career NFL games since going undrafted out of Baylor in 2013. Casey spent his first season in 2013 on Oakland's practice squad before being elevated to the 53-man active roster prior to the team's Week 14 game against the Jets, in which he made his NFL debut. After being waived during final cuts in 2014, Casey signed with San Francisco, where he spent parts of the 2014 season before being signed to Oakland's active roster on Dec. 16, 2014. Casey was waived by Oakland on May 11, 2015 and spent the 2015 offseason with Indianapolis before being waived on Sept. 5, 2015. Most recently, Casey spent a portion of the 2015 season on Cleveland's practice squad.
A four-year starter at Baylor, Casey started 33 of 43 career games and was part of a senior class that played in three straight bowl games for the first time in school history. His career totals included 212 tackles, 21 pass breakups and three interceptions. Casey also competed on the school's track & field team and was named an All-Big 12 400-meter hurdler in 2011. A native of Southlake, Texas, Casey was born on March 11, 1991.