Sacramento Kings (2018–2022) in March 2019 On June 21, 2018, Bagley was selected second overall in the
2018 NBA draft by the
Sacramento Kings, behind his former high school teammate
Deandre Ayton. On July 1, 2018, he signed a rookie scale contract with the Kings. Bagley made his professional debut with Sacramento on October 17, 2018, with 6 points and 5 rebounds in only 12 minutes coming off the bench in a 123–117 loss to the
Utah Jazz. In his next game two days later, Bagley recorded 19 points, 8 rebounds, 3 assists and 3 blocks in a 149–129 loss to the
New Orleans Pelicans. On November 24, Bagley had a double-double of 20 points and 17 rebounds coming off the bench in a 117–116 loss to the
Golden State Warriors. During their second match against Golden State on December 14, he sprained his left knee, which sidelined him for 11 games. On March 19, 2019, Bagley scored a career-high 28 points off the bench in a 123–121 loss to the
Brooklyn Nets, in which the Kings entered the fourth quarter with a 25-point lead. On October 24, 2019, Bagley was diagnosed to have a non-displaced fracture in his right thumb and was expected to be sidelined for about four to six weeks. Instead, he only played 13 games before the season was suspended due to the
COVID-19 pandemic on March 11, 2020. On July 19, 2020, he sustained a right foot injury during practice, and was expected to miss the remainder of the
2019–20 season. On December 4, 2020, the
Sacramento Kings announced that they had exercised their option on Bagley. Before the start of the 2021–22 season, the Kings informed Bagley that he would not be part of the rotation after not reaching an agreement on a contract extension.
Detroit Pistons (2022–2024) On February 10, 2022, Bagley was traded to the
Detroit Pistons as part of a four-team trade that sent
Donte DiVincenzo,
Josh Jackson and
Trey Lyles to the Kings. On February 14, Bagley made his Pistons debut, recording 10 points, eight rebounds and one assist in a 103–94 loss to the
Washington Wizards. On July 6, 2022, Bagley re-signed with the Pistons on a three-year, $37.5 million contract. On February 25, 2023, after missing over a month with a hand injury, Bagley scored 21 points and grabbed 18 rebounds during a 95–91 loss to the
Toronto Raptors.
Washington Wizards (2024–2025) On January 14, 2024, Bagley was traded to the
Washington Wizards, along with
Isaiah Livers and future draft considerations in exchange for
Danilo Gallinari and
Mike Muscala. In 24 games (15 starts) for Washington, he averaged 13.3 points, 8.1 rebounds and 1.2 assists. Bagley played in 19 games for the Wizards during the
2024–25 NBA season, averaging 4.9 points, 2.9 rebounds and 0.4 assists.
Memphis Grizzlies (2025) On February 6, 2025, Bagley was traded at the trade deadline to the
Memphis Grizzlies, along with
Johnny Davis and two second-round picks, in a three-team deal involving the
Sacramento Kings who received
Jake LaRavia while the Wizards acquired
Marcus Smart,
Alex Len,
Colby Jones and a first-round pick. On April 20, during the first round of the
2025 NBA playoffs and his playoff debut, Bagley scored 17 points on 8–8 shooting from the field, alongside five rebounds and two steals, in an 131–80 loss to the
Oklahoma City Thunder. The Thunder eliminated the Grizzlies in a 4–0 sweep.
Return to Washington (2025–2026) On July 11, 2025, Bagley signed a one-year deal to return to the
Washington Wizards. Bagley made 38 appearances (including eight starts) for Washington during the
2025–26 NBA season, recording averages of 10.1 points, 5.7 rebounds, and 1.5 assists.
Dallas Mavericks (2026–present) On February 5, 2026, Bagley was traded to the
Dallas Mavericks in a three-team trade involving the
Charlotte Hornets. On February 7, Bagley made his debut with the Mavericks, scoring a
double double for them, Bagley logged in 16 points, 12 rebounds, and four blocks in 24 minutes of playtime against the
San Antonio Spurs. ==Career statistics==