From the Diamondbacks' media relations department:

The D-backs will open the season with LHP Randy Johnson (back surgery, retroactive to March 22), C Miguel Montero (fractured right finger, retroactive to March 23) and INF Chad Tracy (right knee surgery, retroactive to March 23) on the disabled list.

Roster

Pitchers

RHP Juan Cruz
LHP Doug Davis
RHP Edgar Gonzalez
RHP Dan Haren
RHP Brandon Lyon
RHP Brandon Medders
RHP Micah Owings
RHP Tony Pena
RHP Yusmeiro Petit
RHP Chad Qualls
LHP Doug Slaten
RHP Brandon Webb

Position Players

C - Robby Hammock
C - Chris Snyder
Inf - Chris Burke
Inf - Stephen Drew
Inf - Orlando Hudson
Inf - Conor Jackson
Inf - Augie Ojeda
Inf - Mark Reynolds
OF - Eric Byrnes
OF - Alex Romero
OF - Jeff Salazar
OF - Justin Upton
OF - Chris Young