The Opening Day roster includes 12 pitchers, 2 catchers, 7 infielders and 4 outfielders:
Pitchers (12): Trevor Cahill, Josh Collmenter, Randall Delgado, Will Harris, David Hernandez, Wade Miley, Oliver Perez, J.J. Putz, Addison Reed, Bo Schultz, Joe Thatcher and Brad Ziegler.
Catchers (2): Tuffy Gosewisch and Miguel Montero.
Infielders (7): Eric Chavez, Paul Goldschmidt, Didi Gregorius, Aaron Hill, Chris Owings, Cliff Pennington and Martin Prado.
Outfielders (4): Tony Campana, Gerardo Parra, A.J. Pollock and Mark Trumbo.
Inactive (3): Bronson Arroyo, Patrick Corbin and Brandon McCarthy.
Traveling Party Inactive (5): Henry Blanco, Archie Bradley, Charles Brewer, Ryan Rowland-Smith and Zeke Spruill.
15-Day Disabled list (2):
• Matt Reynolds (Tommy John surgery, retroactive to March 19)
• Cody Ross (dislocated right hip, retroactive to March 19)