The 49ers and Chiefs continued their winning streak in Week 4 of the NFL, with both teams remaining undefeated at 4-0.[7906856] However, the Browns' win over the Steelers provided a thrilling conclusion to the Thursday Night Game, with Cleveland emerging victorious 27-24.[7906856] Other teams, such as the Cowboys, also secured impressive victories, setting the stage for an exciting rest of the week.[7906856] The Vikings also emerged victorious, with their win taking them to a 4-0 record.[7906856] As the league moves forward, several teams are now at risk of falling behind, with their unbeaten records now under threat.[7878689]