left todays 9-8 Astros lo s to the Angels due to a right knee contusion, and manager Joe Espada said after the game (to and other reporters) that the slugger is pretty sore and will undergo testing. While sliding into second base during a third-inning double, Alvarez banged his knee on the ground and had to be replaced by pinch-runner . Knee problems have bothered Alvarez for much of his...