He played college football at Southern Utah and was selected by the Tennessee Titans in the fifth round of the 2016 NFL draft.

Sims attended Andre Agassi College Preparatory Academy in Las Vegas, where he earned second-team all-state honors as a wide receiver and defensive back.

[8] Sims made his NFL debut during a Week 4 27–20 road loss to the Houston Texans and finished the game with one tackle.

[13] The following week against the Kansas City Chiefs, Sims recorded a pass deflection and his first NFL interception as the Titans narrowly won on the road by a score of 19–17.

[14] Sims finished his rookie year with 22 tackles, three pass deflections, two fumble recoveries, and an interception in 13 games and two starts.

[17] During a Week 2 37–16 road victory over the Jaguars, Sims recorded three tackles, a pass deflection, and a forced fumble.

[22] Two weeks later against the San Francisco 49ers, Sims tied his season-high of five tackles as the Titans narrowly lost on the road by a score of 25–23.

[24] Sims finished his second professional season with a career-high 36 tackles, three pass deflections, a forced fumble, and an interception in 13 games and five starts.

[28] During a Week 9 30–20 road loss to the Carolina Panthers, starting cornerback Malcolm Butler suffered a season-ending wrist injury, putting Sims in line to be a starter.

[38][39] During a Week 3 23–23 tie against the Philadelphia Eagles, Sims made his Bengals debut and recorded two tackles, a pass deflection, and an interception.

[41] The following week against the Baltimore Ravens, Sims recorded two tackles and a pass deflection as the Bengals lost on the road by a score of 27–3.