Source: Browns want inland stadium with roof – NEOtrans
Cleveland council asks FirstEnergy to remove name from stadium
FirstEnergy Stadium renovation plans begin years prior to lease ending
Browns and FirstEnergy agree to end stadium naming rights - Axios
Browns Planning 'Significant Stadium Renovation' For FirstEnergy
Browns, FirstEnergy end stadium naming rights agreement
Browns, FirstEnergy agree to end stadium sponsorship deal - ESPN
Browns Deny Report of Plan for $1B Domed Stadium