| 2009 Arizona Diamondbacks | ||
|---|---|---|
| League | National League | |
| Division | West | |
| Ballpark | Chase Field | |
| City | Phoenix, Arizona | |
| Record | 70–92 (.432) | |
| Divisional place | 5th | |
| Owners | Ken Kendrick | |
| General managers | Josh Byrnes | |
| Managers | Bob Melvin, A. J. Hinch | |
| Television | FS Arizona (Daron Sutton, Mark Grace, Greg Schulte, Joe Garagiola, Tom Candiotti) | |
| Radio | KTAR (620 AM) (Greg Schulte, Jeff Munn, Tom Candiotti) KSUN (Spanish) | |
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The Arizona Diamondbacks' 2009 season was the franchise's 12th season in Major League Baseball.