The New York Yankees announced today they have signed left-handed pitcher Andy Pettitte to a one-year contract. Pettitte, 36, was 14-14 with a 4.54 ERA in 33 starts with the Yankees in 2008 (204.0IP, 233H, 112R, 103ER, 55BB, 158K, 19HR), while holding left-handed hitters to a .203 batting average (47-for-231, 3HR). He was 10-7 with a 4.03 ERA prior to the All-Star break, marking his most such wins since 2003 (11).