The 2009–10 Portland Trail Blazers season was 40th season of the franchise in the National Basketball Association (NBA).
June 25 – The 2009 NBA draft took place in New York City.
July 8 – The free agency period started.
September 28 – Training camp begins
October 6 – First preseason game
October 14 – Commemorative 40-year anniversary game at Memorial Coliseum
October 27 – First regular-season game
March 16 – Tom Penn is relieved of his assistant general manager duties by owner Paul Allen.
April 18 – Blazers begin playoff series with the Phoenix Suns.
April 29 – Phoenix Suns defeat the Blazers in Game 6 of the playoff series.
June 24, 2010 – Kevin Pritchard is relieved of his general manager duties by owner Paul Allen.
Signed Andre Miller to a three-year deal
Signed Juwan Howard to a one-year deal
As part of the team's 40th-year celebration, the Blazers played a pre-season game at Memorial Coliseum on October 14, 2009 against the Phoenix Suns. Team founder Harry Glickman, former players Jerome Kersey, Terry Porter, and Bob Gross, as well as broadcaster Bill Schonely attended the game. The Suns defeated the Blazers, 110-104 with 11,740 tickets sold. All tickets for this game were $19.70 to represent the team's inaugural 1970 season.
Average Points Scored: 98.4
Average Points Allowed: 95.2
Average Point Spread: + 3.2
Quarter-by-Quarter Scoring: 24.6
1st in the NBA in attendance at 716,666 (20,476 per game)
Brandon Roy was named Western Conference Player of the Week for games played March 8–March 14.
Brandon Roy was selected as an All-Star reserve (third All-Star appearance; did not play due to injury).
Injuries and surgeries
July 9: Patrick Mills – broken foot; returned to active roster January 4
September 9: Jeff Pendergraph – surgery to repair congenital hip disorder; returned to active roster December 21
October 30: Nicolas Batum – surgery to repair right shoulder muscle tear; returned to active roster January 25
November 14: Travis Outlaw – broken left foot; traded February 16
December 5: Greg Oden – broken left patella; out for season
December 5: Coach Nate McMillan – ruptured right Achilles tendon; returned to the bench December 15
December 8: Rudy Fernández – surgery to repair sciatic nerve damage; returned to active roster January 13
December 22: Joel Przybilla – dislocated right patella and ruptured patellar tendon; out for season
January 2: Brandon Roy – strained hamstring; returned to active roster February 16
April 11: Brandon Roy – right knee meniscus tear, arthroscopic knee surgery; returned to active roster April 24