Draft picks was selected 6th overall by the
Oklahoma City Thunder. The Thunder had three first round-picks and three second-round picks entering the draft. The Thunder owned one first-round pick entering the
2021 NBA draft lottery. The Thunder ended the night with the sixth overall pick after having a 34.1% chance to be in the top three. The Thunder other's first rounders were acquired from the
Al Horford trade and the
Paul George trade. The Thunder also acquired two other second-round picks from the
Kelly Oubre Jr. trade. On draft night, the Thunder traded the draft rights to
Alperen Şengün, the 16th pick, to the
Houston Rockets in exchange for a 2022 protected first-round pick via DET and a 2023 protected first-round pick via WAS. The Thunder traded the draft rights to
Rokas Jokubaitis, the 34th pick, and the draft rights to
Miles McBride, the 36th pick to the
New York Knicks in exchange for the draft rights to
Jeremiah Robinson-Earl, the 32nd pick. The Thunder ended
2021 NBA draft night with
Australia's NBL guard Josh Giddey, Florida guard
Tre Mann, Villanova center
Jeremiah Robinson-Earl and Maryland guard
Aaron Wiggins. was traded to the Thunder.
Trades On June 18, the Thunder traded
Al Horford,
Moses Brown and a 2023 second-round pick to the
Boston Celtics in exchange for
Kemba Walker, a 2021 first-round pick and a 2025 second-round pick. On August 6, the Thunder negotiated a contract buyout and waived Walker. In return, Walker gave up $20 million in total in his buyout. Walker gave up $9.7 million in his 2021-22 salary and $10.2 million in his 2022-23 salary. On July 30, the Thunder traded a 2027 second-round pick and cash considerations to the
Utah Jazz in exchange for
Derrick Favors and a future first-round pick.
Free agency For this offseason, free agency began on August 2, 2021.
Tony Bradley,
Svi Mykhailiuk and
Mike Muscala were set to hit unrestricted free agency while
Josh Hall was set to hit restricted free agency. On August 2, it was reported that
Mike Muscala agreed to a two-year, $7 million deal to stay with the Thunder, which he later signed on August 11. On August 18,
Josh Hall accepted his two-way qualifying offer to re-sign with the Thunder. However, on September 12, the Thunder waived Hall. On August 19,
Tony Bradley signed a deal with the
Chicago Bulls. On September 11,
Svi Mykhailiuk signed a deal with the
Toronto Raptors. On August 2, it was reported that
Shai Gilgeous-Alexander agreed to a five-year, $172 million rookie extension with the Thunder, which he later signed on August 6. On September 3,
Vít Krejčí signed a rookie deal with the Thunder. Krejčí was originally selected 37th overall in the
2020 NBA draft but did not sign a contract in the
2020-21 season, instead spent the season rehabbing with the
Oklahoma City Blue after tearing his ACL. On September 15,
Paul Watson Jr. signed a
two-way contract with the Thunder. Watson Jr. spent the
2020-21 season with the
Toronto Raptors. On September 26,
Charlie Brown Jr. was waived by the Thunder. ==Roster==