He captured the state title in the long jump event at the 2010 GHSA Region 4-AAAAA track and field championships, with a PR leap of 7.30 meters (23 ft, 11 in).

1 LSU in the 2011 SEC Championship Game, he recorded 6 tackles including two for a loss, 1 sack and recovered a 1st quarter onside kick.

[16] He made his professional regular season debut and first career start in the St. Louis Rams' season-opener against the Arizona Cardinals and recorded seven solo tackles and forced a fumble in their 27–24 victory.

[17] On October 13, 2013, Ogletree recorded ten combined tackles (seven solo), deflected a pass, forced a fumble, and returned his first career interception for a touchdown during a 38–14 win at the Houston Texans in Week 6.

He intercepted a pass by quarterback T. J. Yates, that was intended for tight end Garrett Graham, and returned it for a 98-yard touchdown in the fourth quarter.

[18] In Week 12, he collected a season-high 11 combined tackles (ten solo) and broke up a pass in the Rams' 42–21 victory against the Chicago Bears.

[19] On December 8, 2013, Ogletree recorded nine combined tackles (eight solo) and made his first career sack during a 30–10 loss at the Arizona Cardinals in Week 14.

[20] He finished his rookie season in 2013 with 117 combined tackles (94 solo), ten pass deflections, six forced fumbles, 1.5 sacks, an interception, and a touchdown in 16 games and 16 starts.

On November 9, 2014, Ogletree made seven combined tackles, a season-high three pass deflections, and an interception during a 31–14 loss at the Arizona Cardinals in Week 10.

[25] He started all 16 games in 2014 and finished the season with 111 combined tackles (85 solo), a career-high 12 passes defensed, four forced fumbles, and two interceptions.

[26] Head coach Jeff Fisher retained Ogletree as the starting weakside linebacker to begin the regular season.

[28] On October 4, 2015, Ogletree recorded ten combined tackles (nine solo) before exiting during the second half of the Rams' 24–22 victory at the Arizona Cardinals due to an ankle injury.

On November 13, 2016, Ogletree made nine combined tackles, a season-high two pass deflections, and an interception during a 9–6 victory at the New York Jets.

Ogletree intercepted a pass attempt by quarterback Bryce Petty, that was initially intended for wide receiver Quincy Enunwa, and sealed the Rams' victory in the fourth quarter.

[36] On December 15, 2016, Ogletree recorded seven combined tackles, two pass deflections, and made an interception as the Rams lost 24–3 at the Seattle Seahawks Week 15.

He intercepted a pass by quarterback Russell Wilson, that was originally intended for wide receiver Jermaine Kearse, in the fourth quarter.

On December 3, 2017, Ogletree made a solo tackle, a pass deflection, and returned an interception for his second career touchdown during a 32–16 win at the Arizona Cardinals.

He finished the 2017 season with 95 combined tackles (63 solo), ten pass deflections, two sacks, an interception, a forced fumble, and a touchdown in 15 games and 15 starts.

[55] On August 4, 2021, Ogletree signed with the Chicago Bears, reuniting him with former Los Angeles Rams linebacker Robert Quinn.

[60] In September 2010, Ogletree was arrested and charged with misdemeanor theft stemming from a June incident of a stolen scooter helmet.

[61] In February 2013, just days before the 2013 NFL combine, Ogletree was arrested on charges of DUI in Arizona, per a statement released by his agent.