CBS Sports' Jon Heyman reports that Aaron Harang "has at least been discussed by the Astros."
Phillies recalled 3B/OF Cody Asche from Triple-A Lehigh Valley.
Sean O'Sullivan was demolished by the Mets on Wednesday, allowing seven runs in 5 2/3 innings en route to a loss.
Carlos Ruiz is not in the Phillies' lineup Wednesday.
Jerome Williams notched a quality start, allowing three runs in six innings, but got a no-decision as the Phillies lost in 10 innings to the Mets on Tuesday.
Ben Revere went 2-for-5 with a two-run triple in Tuesday's 10-inning loss to the Mets.
Severino Gonzalez allowed three earned runs in 4 1/3 innings Monday as the Phillies fell to the Mets.
Chase Utley went 2-for-3 with two RBI in the Phillies' loss to the Mets on Monday afternoon.
Aaron Harang continued to pitch well but took a loss against the Nationals on Sunday, yielding only two runs in six innings.
Carlos Ruiz is not in the Phillies' lineup Sunday.
Chase Utley is not in the Phillies' lineup Sunday.
Ryan Howard is not in the Phillies' lineup Sunday.
Ryan Howard launched his 10th home run of the season Saturday in the Phillies' 8-1 rout of the Nationals.
Cole Hamels fired eight innings of one-run ball Saturday in the Phillies' defeat of the Nationals.
Odubel Herrera went 1-for-3 and plated the Phillies lone run in Friday's loss to Max Scherzer and the Nationals.