Barrow attended John Ehret in Marrero, Louisiana, where he was named District 8-5A Defensive Most Valuable Player and Louisiana Class 5A All-State as a senior. He recorded 71 tackles, 13 tackles for loss, nine quarterback hurries, two interceptions, five forced fumbles and four fumbles recovered with two of those returned for touchdowns.
Considered a three-star recruit by Rivals.com, he was rated as the 22nd best inside linebacker prospect of his class.
He was drafted by the Broncos in the fifth round of the 2014 NFL Draft. He played college football at Louisiana State University. Barrow attended Louisiana State University where he played for the Louisiana State University Tigers football team from 2009 to 2013. During his career, he appeared in 51 games, including 28 starts, where he accumulated 230 tackles, including 14.5 for loss, 1.5 sacks, seven pass break-ups, one forced fumble and four fumble recoveries.
As a redshirt senior, he was named a second-team All-Securities and Exchange Commission selection.
2014 NFL Draft He was drafted by the Denver Broncos in the fifth round (156th overall) of the 2014 NFL Draft. Denver Broncos Barrow played in all 16 games with one start in his first NFL season in 2014 with the Denver Broncos.
On September 5, 2015, Barrow was waived. Chicago Bears He was signed to the Chicago Bears" practice squad on September 7, 2015.
On September 12, 2015, he was elevated to the active roster after Sam Acho"s release.
