The 2009–10 Pacific-10 Conference men's basketball season began with practices on October 17, 2009 and ended with the Pac-10 Tournament on March 10–13, 2010 at the Staples Center in Los Angeles.
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:
1. California (25 first place votes)
2. Washington (7)
3. UCLA (5)
4. Arizona
5. Oregon State
6. Oregon
7. Arizona State
8. Washington State
9. USC
10. Stanford
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
November 2, 2009 – Washington (0–0) #14 (AP), #13 (Coaches); California (0–0) #13 (AP), #12 (Coaches)
November 16, 2009 – Washington (3–0) #14 (AP), #14 (Coaches); California (2–0) #13 (AP), #12 (Coaches)
November 23, 2009 – Washington (4–0) #14 (AP), #14 (Coaches); California (2–2) #23 (Coaches)
November 30, 2009 – Washington (5–0) #12 (AP), #10 (Coaches); California (4–2) #25 (Coaches)
December 7, 2009 – Washington (6–1) #17 (AP), #16 (Coaches)
December 14, 2009 – Washington (6–2) #24 (AP), #21 (Coaches)
December 21, 2009 – Washington (7–2) #22 (AP), #19 (Coaches)
December 28, 2009 – Washington (9–2) #17 (AP), #16 (Coaches)
January 4, 2010 – Washington (10–3) #24 (AP), #22 (Coaches)
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.
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
Thurs., Mar. 18, – No. 11 Washington def. No. 6 Marquette 80–78, San Jose, CA (East Region)
Fri., Mar. 19, – No. 8 California def. No. 9 Louisville 77–62, Jacksonville, FL (South Region)
Sat., Mar. 20 – Washington def. New Mexico 82–64, San Jose, Calif. (East Region)
Sun., Mar. 21 – Duke def. California 68–53, Jacksonville, FL (South Region)
Thu., Mar. 25 – West Virginia def. Washington 69–56, Carrier Dome, Syracuse, New York (East Region)
Tues., Mar. 18 – No. 8-seed Jacksonville def. No. 1-seed Arizona State 67–66, (First Round, Arizona State Bracket)
Wed., Mar. 19 – Boston University def. Oregon State 96–78, 7 p.m. (First Round, Gill Coliseum)
Awards and honors
Three guards from the Pac-10 Conference have been named to the pre-season John R. Wooden Award list: Nic Wise, Arizona; Jerome Randle, California; Isaiah Thomas, Washington.
Senior Landry Fields, Stanford – Scholar-Athlete of the Year, presented by Toyo Tires
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
FIRST TEAM:
First Team:
Second Team: