The Astros fired pitching coach Brad Arnsberg on Tuesday and replaced him on an interim basis with former Houston pitcher Doug Brocail. The Astros, who have the worst record in baseball at 25-42, cited philosophical differences in announcing the change. General manager Ed Wade would not go into details. "This is not rattle the cage, jump start things, hope this does whatever," Wade said. "It was very clearly, as succinctly and as generally as I can say, it's a difference of opinions and philosophical differences that I didn't think were manageable at this point." Arnsberg was hired as Houston's pitching coach in October of 2009. Houston's pitchers have the second-highest ERA in the National League this season at 4.69 and have allowed an NL-leading 78 homers. Read more: http://sports.espn.go.com/mlb/news/story?id=6661114
