Dodgers closer Kenley Jansen will undergo heart surgery on Nov. 26 and is expected to be fully recovered prior to spring training, Ken Gurnick of MLB.com reports. Jansen announced the upcoming surgery on Friday at the Dodgers' annual Thanksgiving Turkey Giveaway. "If we don't find anything, so let's say they go in and nothing happens, everything is good, I will be done in two weeks," Jansen said, per Gurnick.