From the Celtics: Jared Sullinger underwent successful lumbar disc surgery today at the New England Baptist Hospital.

— Chris Forsberg (@ESPNForsberg) February 1, 2013

Sullinger is expected to be ready for the start of the 2013-14 training camp.

— Chris Forsberg (@ESPNForsberg) February 1, 2013

Specialists tell Ainge this could/should solve Sullinger's back issue long-term.

— Steve Bulpett (@SteveBHoop) February 1, 2013

Well, that was quick. I picture Sully boxing out all the other back surgery patients and grabbing

Here's the official Celtics' press release:

The Boston Celtics announced forward Jared Sullinger underwent successful lumbar disc surgery today at the New England Baptist Hospital. Surgery was performed by the medical staff at the New England Baptist Hospital which is under the direction of Celtics Team Physician, Dr. Brian McKeon. Sullinger is expected to be ready in time for training camp for the 2013-14 season.

Sullinger, a 6'9" forward, appeared in 45 games for the Celtics this season averaging 6.0 points and 5.9 rebounds in 19.8 minutes per game. He posted a season-high of 16 rebounds against Phoenix on January 9 and recorded a season-high of 16 points twice (November 18 against Detroit, December 25 against Brooklyn).

Sullinger completed the surgery with 9 points, 8 rebounds, and 5 fouls.