Although the home clubhouse was relatively quiet, it wasn’t somber Friday night. On orders from their manager, the Astros didn’t hang their heads after another gut-wrenching loss to the Tigers. Not long after Jose Veras failed to close out the game, Astros manager Bo Porter addressed his team and urged them to hold their heads up. The record will show that Alex Avila’s two-run home run in the ninth inning off Veras gave the defending American League champions a 4-3 victory, but the young Astros found reason for optimism. “This is the defending American League champion,” Porter said. “One play here and one play there and both of these nights [.]