List Of Arizona Diamondbacks Opening Day Starting Pitchers
Randy Johnson holds the Diamondbacks' record for most Opening Day starts with six, and has an Opening Day record of 3–2. Brandon Webb started four Opening Days, and Ian Kennedy has been the Opening Day starter thrice. Andy Benes, Javier Vázquez, Dan Haren, and Wade Miley have started one Opening Day each. Kennedy has the best winning percentage as the Opening Day starting pitcher with a record of 2–0. Benes, Vázquez, and Miley are tied for the worst Opening Day record, at 0–1. Webb is Arizona's only pitcher with multiple no-decisions on Opening Day (three), and Johnson is the only pitcher to have won three or more opening games.
Overall, the Diamondbacks have a record of 8–7 at home on Opening Day, compared to a 4–2 record at away games. The Diamondbacks went on to play in the National League Division Series (NLDS) playoff games in 1999, 2001, 2002, 2007, 2011, 2017, and 2023, winning the National League Championship Series in 2001 and 2023, and the World Series in 2001.
Key
| Season | Each year is linked to an article about that particular Diamondbacks season. |
| W | Win |
| L | Loss |
| ND (W) | No decision by starting pitcher; Diamondbacks won game |
| ND (L) | No decision by starting pitcher; Diamondbacks lost game |
| Pitcher (#) | Number of appearances as Opening Day starter with the Diamondbacks |
| * | Advanced to the postseason |
| ** | Won National League Championship Series |
| † | Won World Series |
Pitchers
