A lot can change quickly in Major League Baseball. There's no better evidence of that often unfortunate reality than the Colorado Rockies decision to grant Jhoulys Chacin his unconditional release on Sunday . Two years ago at this time, Chacin was set to make his first opening day start for Colorado. He went on to become a 14-game-winner that season, posting a very respectable 3.47 ERA while pitching half his games at Coors Field. It was supposed to be the season that cemented him as the Rockies long-awaited ace. Then 2014 happened. [ Yahoo Sports Fantasy Baseball: Sign up and join a league today! ] Chacin's season was marred by relentless shoulder problems, which included fraying of the rotator cuff. He was shut down for good in June, but managed to avoid shoulder surgery. Unfortunately, it would appear he's still not close to one-hundred percent despite months of rest and rehab, or at least not close enough for the Rockies to feel comfortable guaranteeing his full $5.5 million salary. By released him now, they're only on the hook for $1.34 million. "I was kind of 50-50," Chacin told Nick Groke of the Denver Post on Sunda y. "I haven't been pitching well. I haven't been doing...