AL West: Starting pitching reinforcements coming in Houston  BaseballHQ.comSpencer Arrighetti returns from a broken thumb to bolster Astros rotation  Houston ChronicleWhat to expect from returning Astros’ starting pitchers?  The Crawfish BoxesSpencer Arrighetti Injury: Rejoining rotation in Miami  RotoWireCan Astros find enough healthy arms to make real World Series push?  Chron