An MRI revealed Monday that Harvey has a partial tear in the ulnar collateral ligament in his right elbow. It'll almost certainly keep the hard-throwing phenom out for the rest of this season. If he and the team decide he should undergo Tommy John surgery, Harvey could miss the 2014 season also. Harvey was officially placed on the disabled list Tuesday.
That's why Harvey's tweet Tuesday was so surprising. But Alderson said the team hasn't learned any new information regarding Harvey's injury.
Chris Iseman is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.