BOSTON – While veteran righthander Philip Humber searches for answers, first-year manager Bo Porter is standing behind the Astros’ No. 3 starter. Porter said Friday he has no plans to change the Astros’ rotation, despite starters regularly struggling to reach the fifth inning and a combined ERA of 5.96, which is the worst in MLB. “These guys have earned the right to start and you’re not going to see me panic within one month of the season,” said Porter, prior to the Astros’ game against the Boston Red Sox at Fenway Park. Humber, 30, has yet to record a win this season and leads the majors in losses (five). His [...]