ANAHEIM, Calif. — This wasn’t supposed to happen. Not this soon. Not this season. The 2013 Astros were supposed to be horrible. The worst team in Major League Baseball. Potentially one of the saddest, sorriest clubs in the history of a sport defined by tradition and, at best, colored by integrity and respect. The Astros have 105 games to fulfill the lowest of expectations and bring a crooked, nasty smile to the faces of analysts, baseball insiders and media who want to see an experiment fail. But since May 15, a young, unproven club with a $21 million active payroll — by far the lowest in MLB — is 10-7. [...]