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03/27/11 1:12 PM ET

Reliever Troncoso optioned to Minors camp

GLENDALE, Ariz. -- The Dodgers optioned right-handed reliever Ramon Troncoso to Minor League camp Sunday, leaving Lance Cormier and Scott Elbert as the last contenders for the final bullpen spot.

Troncoso has spent most of the past three years with the Major League club, but seems to have lost the feel for his sinker. He had a 5.59 ERA this spring and allowed 14 hits in 9 2/3 innings.

Quartet of injured Dodgers on the mend

GLENDALE, Ariz. -- Dodgers pitcher Jon Garland said he came out of his 15-pitch mound session on Saturday in perfect shape and will take the next step on Monday with something approaching a regular bullpen session.

Garland is recovering from a strained oblique muscle suffered March 9 and will need a handful of games to rebuild arm strength required for a starting pitcher to go six or seven innings.

Pitcher Tim Redding said he now believes the back pain that forced him out of Friday's game was something as minor as a cramp or spasms and not a strain. He said he felt fine on Sunday, although his scheduled bullpen session was pushed back until Monday. He will remain in Arizona and break with the Triple-A club, but he's on schedule to make the April 10 start vs. San Diego for the Dodgers, if needed.

Casey Blake, reporting that his back inflammation has improved but not cleared completely, will remain in Arizona and continue his rehab. Blake will open the season on the disabled list. He said he will begin playing in Minor League games on Monday, leading off every inning to maximize at-bats, and work in a few innings on defense.

Blake's injury, manager Don Mattingly said, "bodes well" for rookie Ivan DeJesus to make the club, which had been a foregone conclusion for the past week.

Backup catcher Dioner Navarro, who suffered a strained oblique two days earlier, felt well enough to be scheduled to resume tossing Sunday. It's an indication that the injury is not nearly as severe as Garland's, although Mattingly said he wasn't anticipating "anything miraculous" in his recovery and the catcher is expected to start the season on the disabled list.

Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.