Dodgers placed RHP Chris Withrow on the 15-day disabled list, retroactive to May 21, with a torn ulnar collateral ligament.

Withrow was optioned to Triple-A Albuquerque last week, but he never reported to the team and the option has been rescinded after an MRI revealed a UCL tear. He'll undergo a second opinion, but Tommy John surgery is surely inevitable.

Chris Withrow has been diagnosed with a torn UCL in his elbow and will likely need Tommy John surgery.

Withrow hadn't pitched in eight days at Tripe-A Albuquerque -- an indication that something was up. If he undergoes Tommy John surgery, the 25-year-old right-hander will be sidelined through the middle of 2015.

Chris Withrow hasn't pitched in eight days due to an undisclosed injury.

Withrow was optioned to Triple-A Albuquerque on May 21 but has yet to make an appearance there. "There's some stuff going on. I don't know what they're willing to release at this point," Dodgers manager Don Mattingly said Wednesday. "I know medical is getting to the point where they'll release something." We'll have an answer soon.

Dodgers optioned RHP Chris Withrow to Triple-A Albuquerque.

Withrow owns a 2.95 ERA in 20 relief appearances this season, but the Dodgers had to send someone down on Wednesday to open a spot for Hyun-Jin Ryu, who was activated from the disabled list in a corresponding move.

Chris Withrow has left the Dodgers to be with his wife for the birth of their first child.

Withrow should be ready to return within the next couple of days. The 24-year-old right-hander has a 3.03 ERA and 38/9 K/BB ratio over 29 2/3 innings of work this season.

Dodgers recalled RHP Chris Withrow from Triple-A Albuquerque.

Withrow was only in the minors for a handful of days. He has a cool 3.38 ERA, 1.08 WHIP and 28/8 K/BB ratio in 24 innings this season with Los Angeles.

Chris Withrow will return to the Dodgers on Tuesday, the first day that he's eligible to do so.

Volquez was sent to Triple-A on Friday to make room for Edinson Volquez on the active roster. He's been an important piece of the Dodgers bullpen this season, compiling a 3.38 ERA, 1.08 WHIP and 28/8 K/BB ratio in his 24 innings.

Dodgers optioned RHP Chris Withrow to Triple-A Albuquerque.

The Dodgers needed to clear a roster spot with Edinson Volquez set to join the team on Friday. Withrow posted a 2-0 record, 3.38 ERA, 1.08 WHIP and 28/8 K/BB ratio over 24 frames with the Dodgers. He'll almost assuredly return when rosters expand on Sunday.

Dodgers recalled RHP Chris Withrow from Triple-A Albuquerque.

Withrow has allowed two runs over 3 1/3 innings during his time with the Dodgers this season but boasts a 1.78 ERA with 32 strikeouts over 25 1/3 frames at Triple-A. The hard thrower will work the middle innings.

Dodgers optioned RHP Chris Withrow to Triple-A Albuquerque.

The Dodgers threw Withrow into some high-leverage situations since his recall last week, but he allowed runs in two of three appearances. The hard-thrower will get another chance later this summer.

Dodgers recalled RHP Chris Withrow from Triple-A Albuquerque.

Withrow has put up a 1.93 ERA with 30 strikeouts over 23 1/3 innings at Albuquerque in his first full season as a reliever. He has control issues but will give the club a big arm in middle relief.

Dodgers optioned RHP Chris Withrow to Triple-A Albuquerque.

Withrow, who has made a permanent switch to reliever, dealt with a back issue nearly all camp. He'll have a shot to make his major league debut sometime this season.

Chris Withrow (back) threw off a mound Wednesday.

It's the first time he had done so since being shelved with back problems early on in spring training. Withrow, who is making the move from starter to reliever this season, won't be part of the Opening Day bullpen.

Chris Withrow received a pain-killing injection Monday in Dodgers camp for his ailing back.

Withrow felt pain in his back last week after one of his first throwing sessions of the spring. The Dodgers are hopeful that he'll be fine with a few days of rest.

Chris Withrow will undergo an MRI on his ailing back.

Withrow had issues with the back after throwing last week and hasn't rebounded as hoped. The young right-hander is being permanently transitioned from starter to reliever this spring.

Dodgers prospect right-hander Chris Withrow has permanently switched from being a starting pitcher to a reliever.

Withrow, who turns 24 in April, was a first-round pick of the Dodgers back in 2007. After struggling through a case of the yips and chronic back problems, he posted a 3.28 ERA and 25 strikeouts over 24 2/3 innings in Double-A last season as a reliever. His control remains an issue, but the Dodgers are hopeful that the hard-throwing right-hander has found a home in the bullpen.

Dodgers recalled RHP Chris Withrow from Double-A Chattanooga, placed him on the 60-day disabled list with a strained pectoral muscle.

The move was made to clear a 40-man roster spot for Bobby Abreu. Withrow has posted a 4.65 ERA with 64 strikeouts over 60 innings this season.

Dodgers optioned RHPs Chris Withrow, Josh Wall and Stephen Fife, LHP Michael Antonini and OFs Alfredo Silverio, Scott Van Slyke, Alex Castellanos to minor league camp.

The Dodgers also reassigned right-hander Shane Lindsay and infielder Russ Mitchell to minor league camp. Withrow, a 2007 first-round pick, fanned 130 batters over 128 2/3 innings last season, but has spent three straight years at the Double-A level and continues to have issues with his control and command. Silverio, who was recently ranked as the organization's No. 4 prospect by Baseball America, is sidelined indefinitely after being involved in a serious automobile accident in his native Dominican Republic in late-January.