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NFL Week 4 lessons: 49ers look like the league's best while Kirk Cousins proves he still has it

Through the initial four weeks of the NFL campaign, five winless franchises stayed stuck at the bottom while several undefeated groups saw their perfection tested. Kansas City suffered a defensive stumble alongside a severe injury to receiver Tyquan Thornton, and Minnesota continued struggling to generate touchdowns.

Meanwhile, San Francisco emerged as the clear frontrunner following a 24-14 triumph against Denver. Head coach Kyle Shanahan has revitalized the ground attack, elevating the squad to fifth in rushing success rate despite managing an injury-depleted group of wide receivers by heavily relying on pre-snap motion and two-back formations.

Up nextNFL· 44m ago

The Broncos have a lengthy list of issues on offense that must be addressed