2009–10 Pacific-10 Conference men's basketball season

Pre-season

• Tim Floyd, the head coach at USC resigned and was replaced by Kevin O'Neill, who was on the Arizona staff.
• Pre-season media day is scheduled for October 29.
• 2009–10 PAC-10 Men's Basketball Media Poll:
• In the ESPN/USA poll: California, No. 12; Washington, No. 13.
• In the AP poll: California, No. 13; Washington, No. 14.
• In the ESPN The Magazine: California, No. 10; Washington, No. 13; UCLA, No. 30; Oregon State, No. 36

  Rankings

• November 2, 2009 – Washington #14, #13 ; California #13, #12
• November 16, 2009 – Washington #14, #14 ; California #13, #12
• November 23, 2009 – Washington #14, #14 ; California #23
• November 30, 2009 – Washington #12, #10 ; California #25
• December 7, 2009 – Washington #17, #16
• December 14, 2009 – Washington #24, #21
• December 21, 2009 – Washington #22, #19
• December 28, 2009 – Washington #17, #16
• January 4, 2010 – Washington #24, #22

  Conference games

• January 23, 2010 – Five conference teams are tie for second place, and the Oregon schools are last.
• January 23, 2010 – Washington has lost all road games, including four conference games.
• January 31, 2009 – After playing 9 conference games, California and Arizona are tied for first place with 6 wins and 3 losses, followed by Arizona State and UCLA at third place with a 5–4 conference record.
• February 4, 2010 – Four teams tied for first place, Arizona, Arizona State, California and UCLA.

  Conference tournament

• March 10–13, 2010 at the Staples Center in Los Angeles, California
• Tournament winner became the NCAA Tournament automatic qualifier
• USC did not participate in the conference tournament this season

  Head coaches

Post season

[2010 NCAA Men's [Division I Basketball Tournament|NCAA Tournament]]

• Thurs., Mar. 18, – No. 11 Washington def. No. 6 Marquette 80–78, San Jose, CA
• Fri., Mar. 19, – No. 8 California def. No. 9 Louisville 77–62, Jacksonville, FL
• Sat., Mar. 20 – Washington def. New Mexico 82–64, San Jose, Calif.
• Sun., Mar. 21 – Duke def. California 68–53, Jacksonville, FL
• Thu., Mar. 25 – West Virginia def. Washington 69–56, Carrier Dome, Syracuse, New York

  NIT">2010 National Invitation Tournament">NIT

• Tues., Mar. 18 – No. 8-seed Jacksonville def. No. 1-seed Arizona State 67–66,

  CBI">College Basketball Invitational">CBI

• Wed., Mar. 19 – Boston University def. Oregon State 96–78, 7 p.m.

  Highlights and notes

November

• 50 former Pac-10 players were listed on the NBA opening day rosters, the average of 5.0 player per conference team tops among all conferences, with 14 former UCLA players are on the teams.
• November 26, 2009 – UCLA's loss to Portland 74–47 was the worst defeat during the Ben Howland era.

  December

• December 1, 2009 – UCLA head coach Ben Howland announced that by mutual agreement, sophomore forward Drew Gordon is no longer a member of the team. Gordon will transfer at the end of the school quarter.
• December 6, 2009 – After winning just one in their first four games, the Beavers won three games in a row.

  January

• January 3, 2010 – USC Athletic Director Mike Garrett announced that the school is forfeiting the 2007–08 season's victories, not participating in any post season tournaments in 2010 and reducing the number of scholarships for two years for violation of NCAA rules.

  March

• Oregon State basketball coach Craig Robinson has agreed to a two-year contract extension, through the 2015–16 season.
• March 17, 2010 – California's Omondi Amoke was suspended for team rules violation going into the NCAA tournament.
• March 17, 2010 – Oregon head coach Ernie Kent's contract was terminated effective June 30.
• March 19, 2010 – Oregon athletic director Mike Bellotti step down to join ESPN as a football analyst.

  June

• June 10, 2010 – NCAA to release the report of its investigation of the USC basketball team.
• June 10, 2010 – Colorado Buffaloes join the Pac-10 as its 11th member.

  Awards and honors

Scholar-Athlete of the Year

• Senior Landry Fields, Stanford – Scholar-Athlete of the Year, presented by Toyo Tires

  Player-of-the-Week

• Nov. 16 – Quincy Pondexter, WASH
• Nov. 23 – Klay Thompson, WSU
• Nov. 30 – Klay Thompson, WSU
• Dec. 7 – Quincy Pondexter, WASH
• Dec. 14 – Patrick Christopher, CAL
• Dec. 21 – Alex Stepheson, USC
• Dec. 28 – Mike Gerrity, USC
• Jan. 4 – Michael Dunigan, ORE
• Jan. 11 – Ty Abbott, ASU
• Jan. 18 – Quincy Pondexter, WASH
• Jan. 25 – Landry Fields, STAN
• Feb. 1 – Nic Wise, ARIZ
• Feb. 8 – Quincy Pondexter, WASH
• Feb. 15 – Jerome Randle, CAL
• Feb. 22 – Landry Fields, STAN
• Mar. 1 – Jamal Boykin, CAL
• Mar. 8 – Quincy Pondexter, WASH

  All-Americans

All-Pac-10 teams

• Player of The Year: Jerome Randle, California
• Freshman of The Year: Derrick Williams, Arizona
• Defensive Player of The Year: Seth Tarver, Oregon State
• Most Improved Player Of The Year: Nikola Vucevic, USC
• Coach of The Year: Herb Sendek, Arizona State

All-Academic

USBWA All-District team