The soon-to-be-33-year-old southpaw started 18 games for the Marlins before he was released July 27, going 6-8 with a 5.47 ERA (75 ERA+) and 61/40 K/BB ratio in 100 1-3 innings. In nine seasons, seven of them coming with the Detroit Tigers, he's 57-77 with a 4.97 ERA (89 ERA+), with 187 starts and 34 appearances in the bullpen. In 2006, he pitched in the Division, Championship and World Series in a career year in which he went 13-13 with a 3.84 ERA. After that, he went steadily downhill until he was reduced to a second lefty role in the Tiger's bullpen last season. He signed a minor league deal with the Cardinals on Aug. 2 that included an opt out if he wasn't promoted to the Majors by Aug. 23. In his brief time with Memphis (AAA - Cardinals), he posted a 9.45 ERA. The announcement of Robertson's signing came during Tuesday night's broadcast. He will be assigned to Lehigh Valley for now, but could join the Phillies when rosters expand next week.