Mark Schlereth will work Seahawks-Jaguars game Former NFL quarterback facing battery charge Mark Schlereth will work Seahawks-Jaguars game Former NFL quarterback facing battery charge Fox Sports has replaced Mark Sanchez for its coverage of the Seattle Seahawks and hosts Jacksonville Jaguars on Sunday. Sanchez will be replaced by three-time Super Bowl champion Mark Schlereth, who will work alongside play-by-play announcer Chris Myers. The news comes as Sanchez faces a felony battery charge over