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Los Angeles Chargers vs. Denver Broncos prediction, pick for NFL Week 3 on Sunday 9/21/25

Los Angeles Chargers vs. Denver Broncos prediction, pick for NFL Week 3 on Sunday 9/21/25

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By: Dan Johnson

The AFC West stage shifts to Inglewood where the Los Angeles Chargers finally return home at 2-0, aiming for their first 3-0 start since 2002. The Denver Broncos arrive 1-1 and licking wounds from a crushing one-point loss in Indianapolis, knowing a defeat here buries them two games back in the division. SoFi Stadium has been a house of offense lately with six straight Charger home games sailing over the total, but divisional urgency should bring intensity from both defenses. The backdrop is classic: Herbert’s refined passing rhythm versus Denver’s red-zone efficiency and run balance, all colliding in a rivalry that rarely lacks chaos. Below is my prediction for NFL Week 3’s game between the Los Angeles Chargers and the Denver Broncos.

Here’s how I’ll play it. I’ll be pumping out these predictions for individual games all season, with plenty of coverage here on DraftKings Network. Follow my handle @dansby_edits for more betting plays.

Chargers vs. Broncos prediction, preview

Justin Herbert enters sharp, posting 560 passing yards, five touchdowns, and a 72.1% completion rate with no interceptions. His 9.2 yards per attempt underscores how efficiently Los Angeles has pushed the ball vertically, with Quentin Johnston already pulling down three touchdowns on 18.8 yards per catch. Keenan Allen continues to vacuum up first-downs, while rookie Ladd McConkey has 11 catches and a reliable slot presence. The Chargers’ team profile backs the eye test: overall power rank 7th with a top-six offensive ranking, 0.42 EPA per pass, and only 15.0 points allowed per game. The betting board matches the performance; Los Angeles sits -3 with an implied win probability of 62.6% on the moneyline (-152), and the market is lopsided with 86% of the money and 90% of the tickets on the Chargers to win outright. PFF’s projection of -3.3 gives a small edge to the home side and tags the moneyline with +2.3% value.

Bo Nix has flashed composure with four touchdown passes, yet three interceptions and just 5.5 yards per attempt expose limits. His completion rate sits at 67.1%, but many throws are low-depth, designed to keep him clean behind a line that has allowed only one sack. The advanced split explains why Sean Payton is insulating his quarterback: Nix owns a 98.4 passer rating when clean but a 20.5 rating under pressure, and his turnover-worthy play rate is 7.23% compared with Justin Herbert’s 1.32%. That risk profile intersects with a defense that just posted three interceptions Monday night and has permitted a 61.9 opponent passer rating across 82 attempts. Denver’s macro offense has been functional—24.0 points per game with 134.5 rushing yards per game—but the unit still ranks 21st by offensive power rating and carries a negative EPA per run (-0.12), which becomes a problem against a front allowing 83.0 rushing yards per game and the league’s best carries-per-TD rate on the ground last season.

J.K. Dobbins has been Denver’s lifeline with 139 rushing yards at 4.6 per carry and two touchdowns, and the Broncos have leaned into that identity with a 38.5% run rate that mirrors Los Angeles’ 38.2% run rate. The Chargers’ defensive structure, even without Khalil Mack, has traveled: 199.5 passing yards allowed per game, one passing touchdown conceded, and a base that forces offenses to stack first downs rather than hunt explosives. The Broncos’ own calling card remains defense—power rank 2nd on that side and only 184.0 passing yards allowed per game—but the recent form wobble matters, because Daniel Jones just tagged them for 306 passing yards and Jonathan Taylor slashed for 165 rushing yards. That divergence between season-to-date ranks and last week’s reality is exactly where Herbert can press.

Broncos vs. Chargers pick, best bet

Counterarguments hinge on Denver’s ability to lean on Dobbins and wide receiver Troy Franklin’s emergence at 133 yards on 12 catches. If they establish rhythm on the ground, they can shorten possessions and compress Herbert’s volume, and they can lean into a red-zone passer rating of 128.9 that ranks second in the league. Yet the Broncos’ road profile is damning: 1-6 straight up in their last seven away, 0-2 against the spread this season, and six straight losses as underdogs. Meanwhile, the Chargers are 6-1 against the spread against AFC teams, 5-1 straight up in their last six overall, and unbeaten against the number through two weeks.

Start with structure: the Chargers come in with the cleaner QB advantage and a plan that travels—heavy early-down throwing and tempo to keep Denver in lighter boxes. Justin Herbert has carved blitz looks all year (138.2 rating vs pressure), so if Vance Joseph dials heat, the ball is likely out on time to hot routes and glance RPOs; if Denver sits back, Quentin Johnston’s vertical stems widen the safeties and open dagger and dig windows. That dual stress tilts neutral-script efficiency and third-and-medium conversion (typically 4–6 yards to go) in L.A.’s favor, especially with the spread sitting on the key number of -3.

Trenches matter at altitude: at 5,280 feet, expect more snap-count manipulation and quick game from Kellen Moore to blunt edge wins and preserve Herbert’s rhythm. In the red zone (inside the 20), the Chargers’ condensed splits and bunch stacks should force Denver into traffic fights—matchups Herbert generally wins with leverage throws. Meanwhile, J.K. Dobbins is Denver’s best chance to control pace, but that requires staying on schedule; negative runs or early penalties push Bo Nix into must-throw downs against a defense that just picked off Geno Smith three times Monday, shrinking his margin for error and simplifying Brandon Staley’s simulated-pressure menu.

Hidden yards lean Chargers: Johnston’s field-tilt creates DPI risk, L.A.’s punt group has been steadier, and Herbert’s two-minute mastery (120 seconds to manage clock, sidelines, and spikes) is a late-game tiebreaker.

Final Score: Chargers 27, Broncos 20. Lay the points on the Bolts.

Best bet: Chargers -2.5 (-120) vs. Broncos

Tail it with me in the DKN Betting Group here!

For a prop lean, hit Justin Herbert over 254.5 passing yards (−110). Justin Herbert enters Week 3 with 560 yards in two games (280.0 per game) on 72.1% completions and 9.2 yards per attempt, with five TD and zero INTs. The Chargers rank 3rd at 270.0 passing yards per game, and their home opener comes with a −2.5 spread and 62.6% implied win probability (−152 ML), which supports sustained drop-back volume. Denver’s pass defense shows a headline 184.0 yards allowed per game (9th), yet it just surrendered 306 to Daniel Jones and pairs that with the league’s highest 51.4% blitz rate. Herbert owns a 138.2 passer rating versus the blitz (2nd), a clean schematic matchup that converts pressure into explosives. Los Angeles has posted 0.42 EPA per pass, while Denver allowed 5.2 yards per rush to Indianapolis, encouraging extra box defenders and one-on-ones outside. Projection: 33–36 attempts, 265–295 yards, 64–67% completions, with early RPO glances and play-action crossers punishing single-high rotations.

Best prop lean: Justin Herbert o254.5 total passing yards (-110)

Tail it with me in the DKN Betting Group here!

Dan Johnson has been an editor, writer, and analyst for DraftKings and DraftKings Network since 2024. He’s previously held editorial posts at The Paris Review, Macmillan Publishers, Bedford/St. Martin’s Press, ASSIGNMENT Magazine, and FantasySixPack. You can find his various editorial work & writing (sports-related and non-) at all of the above.
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I am a promoter at DraftKings and am also an avid fan and user (my username is thegreatdansby9) and may sometimes play on my personal account in the games that I offer advice on. Although I have expressed my personal view on the games and strategies above, they do not necessarily reflect the view(s) of DraftKings and do not constitute a representation that any particular strategy will guarantee success. All customers should use their own skills and judgment in building lineups. I may also deploy different players and strategies than what I recommend above. I am not an employee of DraftKings and do not have access to any non-public information.