The surgery went as planned, the club said, with an estimated recovery time of four to six weeks.
The 28-year-old had a decent first season with the Dodgers after being acquired from the St. Louis Cardinals for Ryan Theriot. He went 3-5 with a 4.08 ERA in 49 appearances, with one stint on the disabled list with a strained groin muscle.
Hawksworth served as a middle and long reliever for the Dodgers. Because he is out of options, he was considered likely to make the Opening Day roster.
Nonetheless, the Dodgers have a solid group of right-handed relievers ahead of him -- Javy Guerra, Kenley Jansen, Mike MacDougal, Matt Guerrier and Josh Lindblom.
Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.