Week 4 NFL Primer: Six Unbeaten Teams, Big Questions and Sharp Picks

Six unbeaten teams head into Week 4, producing intriguing matchups and early-season storylines that could redefine momentum across the NFL landscape.

The NFL ledger shows six clubs still perfect as Week 4 approaches: the Philadelphia Eagles, Buffalo Bills, Los Angeles Chargers, San Francisco 49ers, Tampa Bay Buccaneers and the surprise Indianapolis Colts. That collection of teams rewrites preseason expectations and forces oddsmakers to adjust quickly.

Philadelphia and Tampa Bay carry the weight of expectation; both have looked like legitimate conference favorites through three games. Matchups between heavyweights loom as potential previews of November and beyond, with each contest offering a chance to separate contenders from pretenders.

The Bills, 49ers and Chargers enter Week 4 as favorites on most lines, reflecting depth on both sides of the ball and reliable quarterback play. Each club has used efficient offenses and opportunistic defenses to build early-season leads, and bookmakers have responded by pricing confidence into the odds.

Then there’s the Indianapolis Colts, the real outlier in this perfect group. No one saw Indianapolis sitting undefeated at this point, and their presence injects unpredictability into the slate. The Colts now face a tough road test against the Los Angeles Rams, who will try to spoil the party and expose any cracks in the visitor’s armor.

Baker Mayfield has been one of the most talked-about quarterbacks in the early weeks. He has engineered three fourth-quarter game-winning drives and has avoided an interception through the opening stretch, a combination that elevates his profile and, for some, even nudges him into early MVP conversation.

Week 4’s afternoon roster includes clashes that feel heavier than the standings suggest; some games pit teams with better combined records than marquee matchups from previous seasons. That compact of quality creates a pressure-cooker environment for quarterbacks and coordinators alike, where a single turnover or big play can swing public perception.

On the prediction front, straight-up picks through three weeks stand at 32-16 overall, with a 10-6 result last week. Against the spread, the record sits at 23-23-2 through the same span, which underlines how volatile lines have been and how bookmakers have worked to chase balance.

Odds referenced through Caesars reflect the market’s current thinking and will continue to shift as injuries, weather and in-season market moves settle. Bettors and fans should watch for late-breaking changes, especially on key positional health reports that can tilt close games.

Fotnet24.net frames Week 4 as a pivotal crossroads: teams that maintain momentum will gain credibility, while early stumbles could force urgent roster and schematic adjustments. Expect coaches to tilt toward conservative game plans in tight spots, but also look for aggressive calls that could swing the week’s narrative.