After leaving his last start early with lower back tightness, Roy Oswalt is back to work, on schedule, as the Phillies (11-6) travel to San Diego to take on the Padres (8-10) in a 4-game series. Oswalt, who has a history of back injuries in his career prior to coming to Philadelphia in a trade with Houston last summer, will start the series opener for Philadelphia. The Padres will counter with right-hander Mat Latos, who began the season on the disabled list with shoulder fatigue. The Phillies won 5 of 7 meetings with the Padres in 2010. Read ahead for details on the pitching match ups for this series as well as loads more statistics and info. Thursday, 10:05PM. Roy Oswalt (2-0, 2.50 ERA) vs. Mat Latos (0-2, 5.84 ERA). Oswalt allowed 1 earned run over 6 innings in his lone road start this season. In 18 career games against San Diego, Oswalt has a 10-2 record with a 2.45 ERA. Jorge Cantu is 3-for-8 (.375 avg) with 2 HR and 5 RBI in his career against Oswalt. In 2 career starts a...