FILE - Golden State Warriors' Baron Davis, right, hugs coach Don Nelson in the fourth quarter of an NBA Western Conference first-round basketball playoff game against the Dallas Mavericks in Oakland, Calif., May 3, 2007. (AP Photo/Jeff Chiu, File)

FILE - Boston Celtics' Don Nelson (19) goes to the basket against Milwaukee's Cornell Warner (35) during a NBA Championship game, May 12, 1974, in Milwaukee. (AP Photo, File)

FILE - Chuck Daly Lifetime Achievement Award recipient Don Nelson speaks during a press conference before Game 2 of the NBA Finals basketball series against the Oklahoma City Thunder, June 8, 2025, in Oklahoma City. (AP Photo/Kyle Phillips, File)

(FILES) Head coach Don Nelson of the Dallas Mavericks watches his team during the first half of game five of the NBA Western Conference Finals against the San Antonio Spurs 27 May, 2003 at the SBC Center in San Antonio, Texas. Don Nelson, the second-winningest coach in NBA history and a five-time champion as a player with the Boston Celtics, died on August 9, his family announced. He was 86. Nelson was a member of five NBA championship teams with Boston from 1966 to 1976 and the Celtics retired his jersey number 19. (Photo by JEFF HAYNES / AFP via Getty Images)

FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 28 Apr 2001: Head coach Don Nelson of the Dallas Mavericks signals to his team in game three of round one in the NBA playoffs against the Utah Jazz at Reunion Arena in Dallas, Texas. The Mavericks won 94-91. DIGITAL IMAGE. Mandatory Credit: Ronald Martinez/Allsport

FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 26 Feb 2001: Head Coach Don nelson of the Dallas Mavericks reacts to the action during the game against the Los Angeles Clippers at the Staples Center in Los Angeles, California. The Mavericks defeated the Clippers 103-92. NOTE TO USER: It is expressly understood that the only rights Allsport are offering to license in this Photograph are one-time, non-exclusive editorial rights. No advertising or commercial uses of any kind may be made of Allsport photos. User acknowledges that it is aware that Allsport is an editorial sports agency and that NO RELEASES OF ANY TYPE ARE OBTAINED from the subjects contained in the photographs.Mandatory Credit: Christopher Ruppel /Allsport

FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 24 Apr 2001: Head coach Don Nelson of the Dallas Mavericks instructs his team in game 2 of the NBA Playoffs against the Utah Jazz at the Delta Center in Salt Lake City, Utah. The Jazz defeated the Mavericks 109-98. DIGITAL IMAGE. Mandatory Credit: Matthew Stockman/Allsport

FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 30 Dec 2000: Head Coach Don Nelson of the Dallas Mavericks reacts to the referee call during the game against the Houston Rockets at the Reunion Arena in Dallas, Texas. The Rockets defeated the Mavericks 114-99. NOTE TO USER: It is expressly understood that the only rights Allsport are offering to license in this Photograph are one-time, non-exclusive editorial rights. No advertising or commercial uses of any kind may be made of Allsport photos. User acknowledges that it is aware that Allsport is an editorial sports agency and that NO RELEASES OF ANY TYPE ARE OBTAINED from the subjects contained in the photographs.Mandatory Credit: Ronald Martinez /Allsport