Don Nelson, the five-time NBA champion and three-time Coach of the Year, has died at 86. His family said the Hall of Famer passed away peacefully Sunday morning, surrounded by loved ones.
“On Sunday morning our beloved husband, dad, grandfather, and great-grandfather Don Nelson peacefully went to be with the Lord, surrounded by his loving family,” his family said in a statement. They added that friends and relatives had spent his final week with him, sharing memories and celebrating his friendship.
Nelson leaves behind a remarkable basketball legacy that stretched from his playing days with the Boston Celtics to a coaching career that helped reshape offensive basketball. He finished his NBA coaching career with 1,335 regular-season victories, a record at the time of his retirement and a mark surpassed only by Gregg Popovich.
Don Nelson’s NBA career and championships
Nelson reached All-American status at the University of Iowa before being selected 17th overall by the Chicago Zephyrs in the 1962 NBA Draft. After short spells with Chicago and the Los Angeles Lakers, he settled with the Boston Celtics, where he spent the remainder of his playing career.
As a role-playing forward in Boston, Nelson became a five-time NBA champion, winning titles in 1966, 1968, 1969, 1974 and 1976. Across his Celtics tenure, he averaged 11.4 points and 5.2 rebounds.
His greatest influence on the NBA, however, came after he moved into coaching. Nelson initially worked as an assistant under Larry Costello with the Milwaukee Bucks before taking over as head coach when Costello was fired.
Nelson remained in Milwaukee for more than a decade and collected 540 regular-season victories. Although he never guided the Bucks to the NBA Finals, his work earned him two Coach of the Year awards.
Nellie Ball changes modern NBA offense
After leaving Milwaukee, Nelson coached the Golden State Warriors for seven seasons during the era known as “Run TMC,” followed by one season with the New York Knicks and eight years with the Dallas Mavericks.
His coaching philosophy became known as “Nellie Ball,” a highly influential approach that challenged traditional ideas about how an NBA offense should operate. Nelson was an early adopter of the point-forward concept, using Paul Pressey with Milwaukee to create mismatches by placing the ball in the hands of a bigger player.
His Warriors teams also emphasized pace, finishing among the NBA’s top five in that category during every season Nelson coached the team. His Mavericks squads similarly ranked near the league leaders in three-point attempt rate and offensive rating.
In Dallas, Nelson helped guide the early careers of Dirk Nowitzki and Steve Nash. Nowitzki emerged as a pioneering superstar big man built around three-point shooting, while Nash would later become a key figure in the NBA’s pick-and-roll revolution under Mike D’Antoni.
Warriors upset Mavericks with small-ball strategy
Nelson eventually returned to Golden State, where he produced one of the biggest playoff upsets in NBA history. His Warriors entered the postseason as the No. 8 seed and eliminated the 67-win Mavericks, who were the No. 1 seed and also Nelson’s former team.
The series showcased another major part of Nelson’s basketball philosophy: small-ball. Golden State regularly used forwards such as Stephen Jackson and Al Harrington at center, creating mismatches and helping the Warriors pull off the upset.
The strategy later became increasingly common throughout the NBA and helped lay the groundwork for the style that would eventually become central to the Warriors’ own dynasty. Draymond Green would later become perhaps the most successful small-ball center in NBA history.
At the time, Nelson’s son Donnie Nelson was the Mavericks’ general manager and would eventually help build Dallas’ 2011 championship team.
Hall of Fame legacy and final NBA season
Nelson’s final season as an NBA head coach came in 2009-10, which was also Stephen Curry’s rookie season with Golden State. Two years later, Nelson was inducted into the Basketball Hall of Fame.
Despite never winning an NBA championship as a head coach, Nelson became one of the sport’s most respected offensive innovators. When the NBA selected its top 10 coaches in history in 1996, he was the only coach on the list without a championship ring.
The Warriors described Nelson as one of the most innovative and influential coaches in NBA history and an iconic figure in the franchise’s history. The team praised his willingness to challenge conventional thinking and his influence on generations of players and coaches.
Nelson’s legacy ultimately extends beyond his 1,335 regular-season victories, three Coach of the Year awards and five championships as a player. His ideas about pace, spacing, mismatches and small-ball continued to influence the NBA long after he coached his final game, making him a rare figure whose impact on the sport transcended wins and losses.