In layman's terms, this is how we can best describe the diagnosis for Luis Severino's shoulder injury.
Bad enough to require a temporary in-house replacement, but apparently not quite serious enough to recruit a free-agent substitute, such as the top two remaining on the board, Dallas Keuchel and Gio Gonzalez.
As far as what's really going on inside Severino's shoulder _ even with the clean MRI results _ the Yankees prefer to take an optimistic outlook regarding the rotator-cuff inflammation, in the hope that Wednesday's shot, combined with two weeks off, will solve the problem.