The veteran right-hander went 9-5 with a 4.05 ERA in 20 starts last season with the Padres before undergoing Tommy John surgery in July. He is 121-114 with a 4.56 ERA in 368 appearances (309 starts) over a 14-year big league career.
The Phillies are short on starting pitching depth with Cliff Lee, Jonathan Pettibone and Miguel Alfredo Gonzalez all on the disabled list.
Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.