Chiefs and 49ers remain unbeaten - five things from NFL week four
Five teams went into week four of the NFL season with a 100% record, but only three teams remain unbeaten after Sunday's action.
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Chiefs back in business as star QBs go down - five things from NFL week two
Patrick Mahomes and the Kansas City Chiefs look back to their best but Caleb Williams and Jayden Daniels suffer serious injuries. Here's what you need to know from week two in the NFL.
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