The 
Arizona Diamondbacks struggled the 2012 season settling for an 81-81 season out of the playoffs
On April 1, 2013 the Diamondbacks hosted the St. Louis Cardinals at Chase Field in Phoenix AZ.
Right-handed pitcher Ian Kennedy would make his third consecutive Opening Day start taking the mound for the Arizona Diamondbacks.
The Opening Day line-up featured four changes from the previous season.
Gerardo Parra made his second Opening Day start for the Diamondbacks this time in Right Field for the traded Justin Upton. Martin Prado started at third base. Rookie A.J. Pollock got the start in center field for the injured Adam Eaton. Cliff Pennington was the starting shortstop.
For the tenth time in franchise history and the seventh consecutive year the Diamondbacks won their season opener. The final score Diamondbacks 6 - Cardinals 2 in front of 48,023.
| 2013 | ||
| Order | Name | Position |
| 1. | Gerardo Parra | RF |
| 2. | Martin Prado | 3B |
| 3. | Aaron Hill | 2B |
| 4. | Miguel Montero | C |
| 5. | Paul Goldschmidt | 1B |
| 6. | Jason Kubel | LF |
| 7. | A.J. Pollock | CF |
| 8. | Cliff Pennington | SS |
| 9. | Ian Kennedy | RHP |
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