Chicago Bears After going undrafted in the
2016 NFL draft, Robertson-Harris signed with the
Chicago Bears on May 9, 2016. On August 30, he was placed on the reserve/
non-football illness list, where he spent his entire rookie season. In 2017, Robertson-Harris appeared in 13 games, registering 13
tackles, two
sacks, and a
pass deflection. The following year, he played in every game as he recorded 20 tackles, three sacks and three tackles for loss. He was an
exclusive-rights free agent after the 2018 season, but returned to the Bears after being tendered a contract on March 13, 2019, In week 1 of the 2019 season against the
Green Bay Packers, Robertson-Harris sacked
Aaron Rodgers once as the Bears lost 10–3. In week 4 against the
Minnesota Vikings, Robertson-Harris sacked
Kirk Cousins 1.5 times in the 16–6 win. On March 13, 2020, the Bears placed a second-round restricted free agent tender on Robertson-Harris. He signed the tender on April 15. On November 9, it was reported that Robertson-Harris would undergo season ending shoulder surgery after missing out the Bears' Week 9 contest against the
Tennessee Titans. He was placed on
injured reserve on November 12.
Jacksonville Jaguars On March 17, 2021, Robertson-Harris signed a three-year, $23.4 million contract with the
Jacksonville Jaguars. On October 2, 2022, Robertson-Harris recorded nine total tackles and a tackle for loss during a 29–21 loss to the
Philadelphia Eagles. On February 25, 2023, Robertson-Harris signed a three-year, $30 million extension with the Jaguars, keeping him under contract through the 2026 season.
Seattle Seahawks On October 14, 2024, Robertson-Harris was traded to the
Seattle Seahawks in exchange for a 2026 sixth-round pick. On March 4, 2025, Robertson-Harris was released by the Seahawks.
New York Giants On March 10, 2025, Robertson-Harris signed a two-year, $10 million contract with the
New York Giants. ==NFL career statistics==