2009–10 San Diego State Aztecs men's basketball team
The 2009–10 San Diego State men's basketball team represented San Diego State University in the 2009–10 college basketball season. This was head coach Steve Fisher's eleventh season at San Diego State. The Aztecs competed in the Mountain West Conference and played their home games at the Viejas Arena. They finished the season 25-9, 11-5 in MWC play. They won the 2010 Mountain West Conference Men's Basketball Tournament to earn the conference's automatic bid to the 2010 NCAA Men's Division I Basketball Tournament. They earned an 11 seed in the Midwest Region and were defeated by 6 seed and AP #15 Tennessee in the first round.
Off Season
Departures
Incoming Transfers
2009 Recruiting Class
Preseason
In the Mountain West preseason polls, released October 6 at The Mtn. studios in Denver, CO, San Diego State was selected to finish second in the media poll. Jr. Billy White was selected to the preseason MWC first team. Fr. Kawhi Leonard was selected as the preseason freshman of the year.Roster
Source| # | Name | Height | Weight | Position | Class | Hometown | Previous Team |
| 0 | Alec Williams | 6'6" | 268 | F | Fr. | San Juan Capistrano, CA | JSerra HS |
| 3 | Tyrone Shelley | 6'6" | 225 | G | So. | San Diego, CA | Crawford HS Pepperdine |
| 4 | Malcolm Thomas | 6'9" | 215 | F | Jr. | San Diego, CA | Crawford HS San Diego City College |
| 5 | Brian Carlwell | 6'11" | 297 | C | Jr. | Maywood, IL | Proviso East HS Illinois |
| 11 | James Rahon | 6'5" | 202 | G | So. | San Diego, CA | Torrey Pines HS Santa Clara |
| 15 | Kawhi Leonard | 6'7" | 225 | F | Fr. | Riverside, CA | King HS |
| 20 | Jason Deutchman | 6'6" | 220 | G | Jr. | Los Angeles, CA | Santa Monica HS UW-Milwaukee |
| 22 | Chase Tapley | 6'2" | 205 | G | Fr. | Sacramento, CA | Sacramento HS |
| 23 | D.J. Gay | 6'0" | 167 | G | Jr. | Sun Valley, CA | Poly HS |
| 24 | Tim Shelton | 6'7" | 248 | F | So. | Fresno, CA | Clovis West HS |
| 32 | Billy White | 6'8" | 235 | F | Jr. | Las Vegas, NV | Green Valley HS |
| 40 | Kelvin Davis | 6'3" | 220 | G | Sr. | Waterbury, CT | Sacred Heart HS College of Southern Idaho |
| 42 | Mehdi Cheriet | 6'9" | 218 | F | Sr. | Tarare, France | Albert Thomas HS Arizona Western |
Schedule and results
Source- All times are Pacific
!colspan=9| Regular Season
!colspan=10| 2010 Mountain West Conference Men's Basketball Tournament
!colspan=10| 2010 NCAA Men's Division I Basketball Tournament