Philadelphia 76ers (2018–2019) Shamet was taken with the 26th pick in the
2018 NBA draft by the Philadelphia 76ers. In the 2018 preseason, Shamet averaged 8.8 points per game, with an 18-point performance in a 120–114 victory over the
Dallas Mavericks in China. Shamet scored a career-high 29 points off the bench on January 8, 2019, in a home victory over the Washington Wizards, including a Sixers rookie record 8 three-pointers.
Los Angeles Clippers (2019–2020) On February 6, 2019, Shamet was traded to the
Los Angeles Clippers. In his first game with them, he scored 17 points, 13 of which were in the 4th quarter, in a comeback from 28 down against the
Boston Celtics. On April 15, in Game 2 of the first round against the Golden State Warriors, he scored 12 points and the game winning 3-pointer in a 31-point comeback leading to a 135–131 Clippers victory. In Game 7 of the second round in the 2020 NBA playoffs, Shamet turned his ankle in the first quarter and had to leave the game, playing only six minutes. The Clippers lost 104–89 to the
Denver Nuggets and were eliminated.
Brooklyn Nets (2020–2021) On November 19, 2020, Shamet was traded to the
Brooklyn Nets in a three-team trade that sent
Luke Kennard to the Clippers. On January 14, 2021, Shamet switched his number from 13 to 20 since
James Harden was traded to the Nets and wanted to wear the number 13.
Phoenix Suns (2021–2023) On August 6, 2021, Shamet was traded to the
Phoenix Suns in exchange for
Jevon Carter and the draft rights to
Day'Ron Sharpe. On October 18, he signed a four-year, $43 million rookie scale extension with the Suns. On December 20, 2022, Shamet scored a career-high 31 points, including tying a franchise-record 9 three-pointers made in a single game alongside teammate
Cameron Johnson,
Aron Baynes,
Channing Frye, and
Quentin Richardson in a 113–110 loss to the
Washington Wizards. He later tied his career-high in points scored five days later on
Christmas Day in an overtime loss to the
Denver Nuggets. On May 7, 2023, Shamet scored 19 points during a 129–124 win over the
Denver Nuggets during the
Western Conference Semifinals.
Washington Wizards (2023–2024) On June 24, 2023, the Suns traded Shamet, along with
Chris Paul, four first-round pick swaps, and six second-round picks, to the
Washington Wizards in exchange for
Bradley Beal,
Jordan Goodwin, and
Isaiah Todd. On July 6, 2024, Shamet was waived by the Wizards.
Westchester / New York Knicks (2024–present) On September 14, 2024, Shamet signed with the
New York Knicks. However, he was waived on October 19 amid suffering a dislocated shoulder in an NBA preseason game against the
Charlotte Hornets on October 15. On October 26, 2024, Shamet joined the
Westchester Knicks after being selected in the 2024 NBA G League draft and on December 23, he re-signed with the Knicks. Shamet made 50 appearances for New York during the
2024–25 NBA season, averaging 5.7 points, 1.2 rebounds, and 0.5 assists. On September 11, 2025, Shamet re-signed, with the Knicks on a one-year contract. On November 14, Shamet scored a career-high 36 points, helping the Knicks defeat the
Miami Heat 140–132. On November 26, Shamet was ruled out for at least four weeks after suffering a sprained right shoulder. ==Career statistics==