CC Sabathia has probably dreaded reporting to camp over the past few years. An article detailing his off-season diet and the amount of weight he lost or gained as a result has become a rite of spring for Yankee beat reporters. The truth is that as his weight has fluctuated the results have been the same since 2013. At this point it's clear that his injuries and ineffectiveness have little to do with what the scale says when he steps on it.
More likely, Sabathia's woes have everything to do with the fact that he's been throwing a baseball in an unnatural motion at a very high speed for a very long time.