Shawn Tolleson (back) has been cleared to play catch.

Tolleson underwent surgery in late April to repair a back injury. The reliever is hoping to be available for the Dodgers' bullpen by early August.

Shawn Tolleson is scheduled to undergo surgery on his injured lower back on Thursday afternoon.

Tolleson was placed on the disabled list April 15 with a lower back strain and now needs surgery to repair the injury. He is expected to be sidelined for 3-5 months and could feasibly miss the rest of the season.

Dodgers placed RHP Shawn Tolleson on the 15-day disabled list, retroactive to April 13, with a lower back strain.

Tolleson had just been recalled over the weekend. It's not clear at this point how long he'll be sidelined. Josh Wall has taken his spot in the bullpen.

Dodgers recalled RHP Shawn Tolleson from Triple-A Alburquerque.

Tolleson nearly earned the final spot in the Dodgers bullpen out of spring training, and had already racked up 5 2/3 scoreless innings at Triple-A. No word on the corresponding roster move yet, but it's assumed that Zack Greinke will be placed on the disabled list.

Dodgers reliever Shawn Tolleson left Friday's Cactus League contest after being struck by a comebacker on the back of his right elbow.

Tolleson already had an injury scare last week when he felt a popping sensation in his left knee during an outing against the Padres, but was given the clearence to return to baseball activities. Provided this is only a minor injury scare, he's still fighting for one of the final spots in the Dodgers Opening Day bullpen.

Shwan Tolleson (knee) doesn't expect to miss any time.

Tolleson felt a popping sensation in his knee during a Cactus League appearance Tuesday against the Padres. But he was examined by a doctor Wednesday morning and given clearance to resume all baseball-related activities.

Shawn Tolleson will have his left knee examined after he felt it pop during an appearance Tuesday.

That doesn't sound good. Tolleson is competing for a spot in the bullpen this spring, but it sounds like this could be something that might keep him out for a while.

Dodgers recalled RHP Shawn Tolleson from High-A Rancho Cucamonga.

He'll replace the injured Scott Elbert (elbow) on the active roster. Tolleson has a 3.42 ERA and 23/13 K/BB ratio over 23 2/3 innings with the Dodgers this season.

Dodgers optioned RHP Shawn Tolleson to Triple-A Albuquerque.

He was sent down in order to make room for Josh Wall on the active roster. Tolleson has a 3.42 ERA and 23/13 K/BB ratio over 23 2/3 innings with the Dodgers this season and figures to return in September.

Dodgers recalled RHP Shawn Tolleson from Triple-A Albuquerque.

Tolleson has posted a 5.40 ERA in 12 appearances this season for the Dodgers. He'll serve as a middle reliever.

Dodgers optioned RHP Shawn Tolleson to Triple-A Albuquerque.

Tolleson has posted a 5.40 ERA and 1.46 WHIP over 12 appearances for the Dodgers this season. He should be back in September, if not before.

Dodgers recalled RHP Shawn Tolleson from Triple-A Albuquerque.

He was just sent down Monday but returns for the injured Todd Coffey. Tolleson has allowed four runs over 4 2/3 innings in his time with the big club this season.

Dodgers optioned RHP Shawn Tolleson to Triple-A Albuquerque.

He was sent down in order to make room for Luis Cruz on the active roster. Tolleson spent nearly a month with the big club, but logged just 4 2/3 innings.