For six games bridging late May with early June, the worst team in baseball was the hottest. There have been Brandon Barnes and Carlos Pena extra-inning walk-offs, the ascension of 22-year-old righthander Jordan Lyles, Jason Castro’s All-Star season and a multitude of tight, winnable games in which first-year manager Bo Porter’s untested club has proved it will fight through nine innings and 27 outs. But the 2013 Astros too often simply have been a dressed-up version of an embarrassing 2012 team that lost a franchise-record 107 games and was supposed to mark the low point of the organization’s rebuild. Through 94 games, Porter’s club is just 33-61, and it was [...]