Week six in the NFL produced some unlikely heroes as the Arizona Cardinals pulled off the biggest upset of the season so far.
Kicker Chad Ryland scored all of Arizona's points at the Los Angeles Rams to leave the former Super Bowl favourites bottom of the NFC West division.
The Philadelphia Eagles continued to struggle but their former Super Bowl rivals the Kansas City Chiefs remained unbeaten.
The Cleveland Browns maintained their surprise start while the Houston Texans concluded this year's London series by winning a thriller at Wembley.
Here are five things you need to know from Sunday's action.

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