What We Learned From Week 4 of the N.F.L. Season

Cowboys quarterback Dak Prescott is sitting on top of Jerry’s World, the Giants got an instructive win, and Kirk Cousins reverted to form in the Vikings’ loss.

Rah, Rah, Room for Improvement

The Jets and Giants have dismal recent histories pocked by playoff misses and last-place finishes. With new hires and draft picks, and healthy contributors, the only way to go in 2021 is up.

Rivalries and Rookies Bloom but It’s Still Patrick Mahomes’s A.F.C.

The Kansas City Chiefs fortified their offensive line in pursuit of another championship, but the Bills, Browns and a bevy of first-year starters should shake up the order.