The main concern in the minds of every single Colorado Rockies fan is the health of standout sophomore arm Chase Dollander. Nothing else matters at the moment. His health is imperative. Dollander exited the Rockies’ series finale against the Pittsburgh Pirates in the second inning of what ended up being a 7-2 loss. He wasn’t particularly effective — he allowed three runs on five hits while walking one and striking out none. The injury was tabbed as right arm tightness, with Rockies manager Warren Schaeffer stating that the team would know more the next day as to how severe the ailment truly was. When asked how concerned he was with the injury, Dollander said that he was trying his best not to jump to conclusions. “I don’t know, I’m not sure,” he said during his postgame press conference (via MLB.com ).…