On November 17, 2015, it was announced that Young accepted his invitation to play in the 2016 Senior Bowl. His home state Baltimore Ravens selected Young in the fourth round of the 2016 NFL Draft. Young was the 16th cornerback drafted in 2016. On May 9, 2016, the Baltimore Ravens signed Young to a four-year, $2.94 million contract that includes a signing bonus of $605,130. Young recorded his first career interception in Week 3 of the 2016 season in a 19–17 win vs. the Jacksonville Jaguars. He made his first NFL start in Week 6 against the New York Giants, recording three tackles and snagging his second interception of the season, picking off Eli Manning. He became the Ravens' No. 2 cornerback behind Jimmy Smith, playing in 16 games with 11 starts recording 53 tackles, eight passes defensed and two interceptions. On June 1, 2017, Young suffered a torn ACL during OTAs, and missed the entire 2017 season. He was placed on injured reserve on September 1, 2017. Young entered the 2018 season as the Ravens No. 3 cornerback behind Brandon Carr and Marlon Humphrey. Young recorded his first two sacks of his career in the season opener against the Buffalo Bills, becoming the first Ravens defensive back to do so since Bennie Thompson in 1996. He recorded his third-career interception in Week 5 against the Cleveland Browns. In Week 13, Young returned a fumble forced by Patrick Onwuasor and returned it 12 yards for the touchdown in a 26-16 win over the Atlanta Falcons. In Week 16, Young returned another fumble forced by Patrick Onwuasor and returned it 62 yards for the touchdown in a 22-10 win over the Los Angeles Chargers. He played in 15 games with six starts, recording 37 combined tackles, five pass deflections, an interception, three fumble recoveries and two defensive touchdowns. On February 21, 2019, Young signed a three-year, $25.8 million contract extension with the Ravens, making him the highest-paid nickel-back in the NFL. On August 15, 2019, head coachJohn Harbaugh announced that Young was expected to miss the entire 2019 NFL season due to a neck injury he suffered in practice. He was placed on season-ending injured reserve on August 31, 2019.