Former NFL quarterback Mark Sanchez was arrested on Saturday after getting into a brawl in Indianapolis. According to police, the incident happened just outside Loughmiller’s Pub & Eatery on West Washington Street at around 12:30 am. A 69-year-old delivery driver was dropping off a food item when Sanchez appeared, demanded that he leave, and blocked his vehicle.When the driver attempted to defuse the situation, the Fox analyst advanced on him. After pepper spray failed, the driver pulled out a knife and stabbed his would-be assailant once in the chest.Sanchez was rushed to the hospital and was later arrested. He faces three charges: public intoxication, unlawful entry of a motor vehicle, and battery with injury.Many NFL fans were stunned at the development:edward @onbrandviewsLINK@AdamSchefter Bro went from hero to zero so quick 😭Chief @chiefflipsLINK@AdamSchefter bro legit threw his career away 😭BuzzKi11 @OleBuzzKi11LINK@AdamSchefter The infamous “butt fumble” legacy is the least of his worries, now."Literal definition of insult to injury," one commented."Dude was living like he's in GTA... too bad a trip to the hospital doesn't reset the police irl," another said."Dude couldn’t handle analyzing QBs so he started tackling civilians," another claimed.Indianapolis Mayor Joe Hogsett said he would be observing the investigation into the incident:“Our city takes pride in being a destination that draws people from near and far, but it’s important that everyone who visits or enjoys our community does so respectfully and peacefully. I’m grateful to the IMPD officers and Indianapolis EMS medical professionals who responded immediately to provide life-saving care.”Fox Sports also issued a statement:“We are deeply grateful to the medical team for their exceptional care and support. Our thoughts and prayers are with Mark, and we ask that everyone please respect his and his family’s privacy during this time.”Former Browns quarterback Brady Quinn to replace Mark Sanchez in Fox boothFox Sports also announced that former quarterback Brady Quinn would replace Mark Sanchez as an analyst for the Indianapolis Colts-Las Vegas Raiders game on Sunday.A first-round pick out of Notre Dame by the Cleveland Browns in 2007, Quinn spent his first three seasons with the franchise before being traded to the Denver Broncos in 2010. He did not play any games in his two years there and ultimately joined the Kansas City Chiefs in free agency in 2012.After non-playing stints with three more teams, he became a full-time analyst. In 2019, he was hired for Fox's Big Noon Kickoff and currently does radio appearances for Fox, CBS, and SiriusXM.Quinn will be joined in the booth by play-by-play man Chris Myers, with Kristina Pink reporting from the sidelines. The game will kick off at 1 pm ET.