Roy Oswalt watched Philadelphia's first two aces pitch well and just wanted to continue the momentum. Oswalt threw six strong innings against his former team and Ryan Howard homered and drove in four runs to help the Philadelphia Phillies complete a season-opening, three-game sweep with a 7-3 win over the Houston Astros on Sunday. Oswalt (1-0), who spent 10 years with the Astros before a midseason trade to Philadelphia last year, allowed two runs on five hits while striking out six and walking one in his first start against his former club. "I didn't know what to expect. It was a little bit different after being there so long. You know their strengths and weaknesses," he said. Read more: http://sports.espn.go.com/mlb/recap?gameId=310403122
