The man who stabbed Mark Sanchez -- allegedly in self-defense -- was badly injured himself ... with new photos capturing the extent of the damage. Max Lewis -- a reporter with FOX59 in Indianapolis -- shared photos of a person he says is the other man rushed to the hospital after the early incident early Saturday morning. Lewis posted the pictures to Facebook ... and, they are disturbing -- showing a massive, bloody cut on the man's cheek. The neck brace he's wearing is filled with blood .

Tag-uri: Facebook