Oklahoma City Thunder / Tulsa 66ers (2014–2015) Jerrett was selected 40th overall by the
Portland Trail Blazers in the
2013 NBA draft. His draft rights were later traded to the
Oklahoma City Thunder for cash considerations on draft night. In July 2013, Jarrett joined the Thunder for the
2013 NBA Summer League. On November 1, 2013, Jerrett was selected with the first overall pick in the 2013 NBA Development League Draft by the
Tulsa 66ers, the Thunder's D-League affiliate team. On April 7, 2014, he signed with the Thunder for the rest of the 2013–14 season. On July 16, 2014, Jerrett re-signed with the Thunder to a multi-year deal. During his sophomore season with the Thunder, Jarrett had multiple assignments with the
Oklahoma City Blue of the
NBA Development League. On November 28, Jerrett made his long-awaited NBA debut in the Thunder's 105–78 victory over the
New York Knicks. In just under nine minutes of action, Jerrett recorded three points, a rebound, and an assist.
Utah Jazz (2015) On February 19, 2015, Jerrett was traded to the
Utah Jazz in a three-team trade that also involved the
Detroit Pistons. On March 10, he was assigned to the
Idaho Stampede. Jerrett was recalled by the Jazz on March 19, reassigned on March 26, and recalled again on April 6. On October 15, 2015, Jerrett was waived by the Jazz.
Portland Trail Blazers (2016) On August 16, 2016, Jerrett signed with the
Portland Trail Blazers. However, he was later waived on October 21 after appearing in four preseason games.
Canton Charge (2016) On November 20, 2016, Jarrett was acquired by the
Canton Charge and made his debut that night in a 103–96 loss to the
Westchester Knicks, recording four points and three rebounds in 19 minutes off the bench. On December 16, Jerrett terminated his contract with Canton. In 10 games, Jerrett averaged 12.8 points, 7.2 rebounds, 2.0 assists, and 1.0 block in 37.0 minutes.
China (2016–2017) On December 16, 2016, Jerrett signed with the
Beijing Ducks of the
Chinese Basketball Association.
Return to Canton (2018) On February 9, 2018, Jerrett re-signed with the
Canton Charge of the
NBA G League.
SeaHorses Mikawa (2018) On August 23, 2018, Jerrett joined
SeaHorses Mikawa of the Japanese
B.League. On December 25, he left the team.
Igokea (2019) On January 10, 2019, Jerrett joined
Igokea for the remainder of the 2018–19 season.
ratiopharm Ulm (2019–2020) On July 18, 2019, Jerrett signed two-year contract with
ratiopharm Ulm of the German
Basketball Bundesliga (BBL). He averaged 11.4 points and six rebounds per game.
Darüşşafaka (2020–2021) On July 18, 2020, Jerrett signed with
Darüşşafaka of the
Basketball Super League.
Avtador (2021) On September 6, 2021, Jerrett signed with
Avtodor of the
VTB United League. He left the team after the
2022 Russian invasion of Ukraine.
Utsunomiya Brex (2022–present) On December 10, 2022, Jerrett signed with
Utsunomiya Brex of the
Japanese
B.League. ==NBA career statistics==