Gregg will compete with the club's other most recent acquisition -- fellow veteran right-hander Mark Lowe -- for a coveted spot on the Dodgers' already very deep pitching staff.
The 34-year-old pitched in relief for the Baltimore Orioles the last two seasons, but his role out of the pen changed dramatically over the course of his short tenure there. Gregg spent much for 2011 as the Orioles' closer, continuing on in the role he held with the Marlins and Cubs his previous four seasons.
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He racked up 22 saves in 29 chances that first season in Baltimore, but served as the club's mop-up man this past season. The right-hander had an average leverage index of just .478 in 40 appearances on the year, meaning his trips to the mound were only taken when games were far, far out of reach. Gregg was released by Baltimore in mid-September after posting a 4.95 ERA in his 43⅔ innings of low-stress work.