Chiefs and 49ers remain unbeaten - five things from NFL week four

Chiefs and 49ers Remain Unbeaten – Five Takeaways from NFL Week 4 Only three teams entered week 4 with perfect records after two earlier unbeaten streaks were halted. The Indianapolis Colts opened the season’s trio of London games with a victory over the Washington Commanders. Meanwhile, the New England Patriots and the Los Angeles Rams avoided falling to 1‑3 by securing road wins. The Kansas City Chiefs and Las Vegas Raiders were among five clubs that began the season 3‑0; one of those winless streaks ended when divisional rivals met, allowing the San Francisco 49ers and the Minnesota Vikings to continue their perfect starts. Here are five notable observations from Sunday’s action. **Raiders Push Chiefs All the Way** Kansas City had dominated the rivalry in recent seasons, but Las Vegas showed marked improvement after winning just three games last year and pushed the Chiefs to the limit. The Raiders led 13‑10 heading into the final quarter in Vegas, a period that featured three lead changes before Kansas City held on for a 30‑27 victory. The turning point came when rookie running back Kenneth Walker, making his first start of the season, scored two touchdowns in 19 seconds. Kansas City immediately regained possession by forcing a fumble on the ensuing kickoff return. Las Vegas stayed alive thanks to