Vikings are last unbeaten team as Chiefs lose – NFL week seven

The Kansas City Chiefs and San Francisco 49ers lost in week seven of the NFL, leaving the Minnesota Vikings as this season's last unbeaten team. Minnesota are the NFL's last remaining undefeated team after Travis Kelce's Kansas City lost at Seattle Week seven of the NFL left one unbeaten team standing and few – if any – would have picked them out at the start of the season. The Kansas City Chiefs were beaten at defending champions the Seattle Seahawks while the San Francisco 49ers also suffered their first loss. But the Minnesota Vikings marched on to maintain their 100% record, and there were also big wins for the Cleveland Browns and Denver Broncos.

Here are the biggest stories from Sunday's games in the NFL. Kansas City and Seattle have not only won three of the past four Super Bowls, they came into week seven with this season's best offence and best defence respectively, in terms of total yards. Sunday's primetime match also marked the return of Kenneth Walker, the Most Valuable Player in last season's Super Bowl, to former team Seattle after joining the Chiefs in the off-season. The running back has made a stunning start with Kansas City, leading the NFL in rushing yards per game (133) after six weeks, but Seattle's defence was determined to show why