Nico Harrison is out as general manager of the Dallas Mavericks after three seasons, the team announced Monday. No successor was named. The departure arrives six months after the Mavericks' NBA Finals loss to Boston and during the midpoint of Luka Dončić's five-year, $215 million supermax extension.
Harrison joined Dallas in June 2021 from Nike, where he spent 19 years running North American basketball operations. Owner Mark Cuban hired him alongside coach Jason Kidd in a simultaneous refresh. The pair delivered a Western Conference Finals appearance in year one and last season's Finals run, bracketing a 38-win 2022-23 campaign that cost Dallas lottery position without yielding playoff revenue. Harrison's marquee moves: acquiring Kyrie Irving for five players and draft capital in February 2023, then trading for P.J. Washington and Daniel Gafford at the 2024 deadline for three second-rounders and expiring contracts. Both deadline gambits worked. The Irving trade has aged poorly in aggregate value; the Washington-Gafford swap supplied the Finals defense.
The timing suggests owner transition mechanics. Cuban sold his majority stake to Miriam Adelson and family in December 2023 for approximately $3.5 billion, retaining basketball operations control and a 27% minority share. That control clause expires in phases; front-office appointments require consultation beginning this summer. The Adelson group installed Patrick Dumont, son-in-law, as governor last March. Harrison reported to Cuban. His exit now allows the new ownership to install their general manager ahead of the 2025 offseason, when Dončić's designated veteran extension becomes tradeable and Kyrie Irving holds a $43 million player option. The Mavericks sit $8 million into the luxury tax with 12 players signed for next season.
What this opens: a search conducted by ownership that has run the Las Vegas Sands casino empire but no basketball franchise. The list of available executives with championship infrastructure experience is short. Toronto's Bobby Webster remains under contract through 2026 but has explored exits since Masai Ujiri reasserted control. Philadelphia's Elton Brand holds a title but limited autonomy under Daryl Morey. The college route: BYU's Mark Pope just left for Kentucky, closing that door; Baylor's Scott Drew has NBA interest but no front-office pedigree. The Mavericks need someone fluent in second-apron roster construction—they will hard-cap if they use the non-taxpayer mid-level this summer—and capable of managing a 31-year-old primary star whose timeline is now.
The assistant general manager role remains filled by Mike Zavagno, a Mavericks lifer who ran advance scouting before promotion in 2021. Zavagno is not known outside Dallas. That makes him either the internal continuity candidate or the execute-only deputy to an outside hire with term-sheet authority. The structure will clarify which.
Watch for Marc Stein's reporting on the successor list and whether the Adelsons hire a search firm. Front-office changes historically trigger coordinator movement: Kidd's top assistant, Sean Sweeney, has interviewed for three head-coaching jobs in two years and will again. The Mavericks open their season October 22 at home against San Antonio. The new general manager will be named before training camp begins September 29, which gives Dallas roughly 120 days to settle structure before veteran extensions and trade conversations begin.