Things can change quickly in Major League Baseball. It was just a week ago that the Colorado Rockies were being celebrated for emerging from their NL West bottom-feeder status after a road sweep of the New York Mets gave them a 13-16 record. Unfortunately, the wheels are starting to spin on the Rockies' eye-opening start. Since that sweep of the Mets, the club has gone 1-6 while returning to the NL West basement and seeing their over-all record drop to 14-22. While still a marked improvement over their standing at this time last year (they were 6-30 through 36 games), their record still suggests a return to their all-too-familiar role as sellers at the trade deadline. Starter Michael Lorenzen has already been mentioned as a potential trade candidate.…