Why I Don't Believe That The Dodgers Should Fire Don Mattingly

This graph is courtesy of Mike Scioscia's Tragic Illness:



Kershaw has had three mediocre starts in a row, and many fans are theorizing that he is secretly injured, too.
It goes without saying that these stats would seem absolutely insane even in September. It's early June.
Are the Dodgers on pace to set a major league record for injuries?