Fox Sports had to move quickly to find Mark Sanchez’s replacement to broadcast Sunday’s game after the former Jets quarterback was stabbed and later arrested in Indianapolis. Fox tabbed Brady Quinn, who is a college football analyst for the network, to commentate the Week 5 matchup between the Colts and Raiders, according to Front Office Sports. Quinn, 40, spent four seasons as a quarterback in the NFL before moving to broadcasting in 2019. While mainly appearing on Fox’s “Big Noon Kickoff,” as