UPDATE

8:04 AM PT -- Mark Sanchez is now facing a Level 5 Felony battery charge ... which carries a penalty of one to six years behind bars, Marion County Prosecutor Ryan Mears announced minutes ago.

Local cops and officials are about to address the late-night stabbing incident involving Mark Sanchez ... with a press conference slated to go down in a matter of minutes.

The 38-year-old former NFL quarterback was hit with three misdemeanor charges -- battery resulting in injury, public intoxication and unlawful entry of a motor vehicle -- following an altercation with a 69-year-old delivery driver early Saturday morning in downtown Indianapolis. Play video content

The driver claims he was delivering fryer oil at a hotel loading dock when Sanchez approached him and took issue with h

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