Wochit News - Los Angeles Dodgers left-hander Hyun-Jin Ryu will undergo surgery on his troublesome throwing shoulder Thursday.The team made the announcement Wednesday before a game against the San Francisco Giants. The arthroscopic surgery will be performed by orthopedist Dr. Neal ElAttrache in Los Angeles.Ryu, who had been the team's projected No. 3 starter, has not pitched this season because of inflammation.