Chargers vs 49ers Preseason Week 3 Preview and Picks 2025

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Folks, get ready for a Sunday showdown that’s gonna light up Levi’s Stadium like a California wildfire! It’s the Los Angeles Chargers takin’ on the San Francisco 49ers, August 24, 2025, kickin’ off at 2:00 p.m. ET (1:00 p.m. CT) on NFL Network. The Chargers are sittin’ at 1-1, fresh off a win over the Lions but stung by a loss to the Rams, while the 49ers are 0-2, lookin’ to shake off losses to Denver and New Orleans. This ain’t about the superstars – Justin Herbert, Brock Purdy, and the big names are likely watchin’ from the sidelines – it’s about those roster hopefuls, the bubble guys, fightin’ like it’s fourth-and-goal for a spot on that 53-man roster. Boom! That’s the heart of this preseason finale – raw hustle, big plays, and a few surprises that could echo into Week 1. Let’s break it down like we’re callin’ it from the booth, with that Troy Aikman precision and John Madden passion.

Chargers’ Side: L.A.’s Depth Lookin’ to Spark

The Chargers are rollin’ into Santa Clara with that Jim Harbaugh grit, aimin’ to end the preseason on a high note. They started with a 34-7 rout of the Lions in the Hall of Fame Game, where backup QB Easton Stick went 10-for-14 for 122 yards and a TD. Last week’s 23-22 loss to the Rams was a heartbreaker – rookie QB Jake Haener threw a late pick, but the defense held tough. With Herbert likely restin’, it’s Stick, Haener, and maybe Luis Perez slingin’ it, battlin’ for the backup job. Haener’s got the edge after a strong camp, but Stick’s experience keeps him in the mix.

What’s got me fired up is the running back and secondary battles. Rookie RB Kimani Vidal’s been a standout, rushin’ for 53 yards against the Lions, and he’s pushin’ to back up J.K. Dobbins. At corner, rookie Cam Hart and Ashtyn Davis are scrappin’ for depth spots behind Derwin James – Hart’s pass breakup last week turned heads. The Chargers’ defense has been solid, allowin’ 30 points across two games, but they need more from their pass rush after just two sacks. No major injuries reported, but Joey Bosa’s minor tweak means more reps for rookie Tuli Tuipulotu. Special teams could be huge – Cameron Dicker’s been money on kicks, but rookie returner Derius Davis needs a spark after a quiet preseason. After that Rams loss, the Chargers are hungry to avoid a .500 finish before their Week 1 clash with the Raiders.

49ers’ Side: San Fran’s Quest for a Win

The 49ers are lookin’ to get off the schneid at home under Kyle Shanahan. They dropped a 30-9 game to Denver in Week 1, where the offense managed just 189 yards, and fell 27-14 to New Orleans last week, with rookie QB Drake Maye goin’ 9-for-16 for 88 yards but tossin’ a pick. With Purdy likely restin’, it’s Maye, Brandon Allen, and maybe Joshua Dobbs under center, fightin’ for the backup job. Maye’s mobility gives him an edge, but he needs to clean up the turnovers.

The battles to watch are at receiver and linebacker. Rookie WR Jacob Cowing’s been electric, haulin’ in six catches for 79 yards against the Saints, and he’s pushin’ for a spot behind Deebo Samuel. At linebacker, rookie Curtis Jacobs led with seven tackles last week, scrappin’ for depth behind Fred Warner. The 49ers’ defense has struggled, allowin’ 57 points in two games, but rookie safety Malik Mustapha’s versatility could spark a turnaround. No major injuries, but Christian McCaffrey’s calf tweak means more carries for rookie Isaac Guerendo. Special teams is key – Jake Moody’s been solid, but the return game needs a boost from Cowing or Ronnie Bell. With the Levi’s Stadium crowd bringin’ energy, the 49ers are desperate to avoid an 0-3 finish before their Week 1 trip to New York.

Key Matchups and Game-Changing Factors

Boom! This game’s gonna be a war of depth. The Chargers’ pass rush against the 49ers’ backup O-line is huge – if Tuipulotu or Bud Dupree get after Maye, it could force mistakes. On the flip side, San Fran’s secondary versus L.A.’s receivers – Cowing needs to contain rookie Ladd McConkey, who’s got four catches for 62 yards this preseason. The run game could decide it; if Vidal or Guerendo break loose, they’ll control the clock and keep the other side’s offense sidelined.

Weather in Santa Clara should be sunny and mild, typical Bay Area August, so no excuses for sloppy play. The Levi’s crowd will bring noise, but it’s nothin’ like a regular-season game, so the Chargers’ backups should handle it. With cutdown day loomin’ on August 26, every snap’s a job interview – expect high effort but maybe some penalties from overeager rookies. A historical note: the 49ers beat the Chargers 15-10 in their 2023 preseason finale, with a late Moody field goal sealin’ it, so L.A.’s got a score to settle. Tuesday’s joint practice saw the Chargers’ defense disrupt San Fran’s second unit, which could carry over, but the 49ers are motivated to protect their home turf.

Final Prediction

Alright, straight from the gut: The Chargers’ defensive depth and Harbaugh’s discipline give ‘em the edge, even on the road. I’m callin’ L.A. to pull out a 24-17 win, coverin’ the spread as the 49ers’ offense continues to sputter.

3 Best Bets

  1. Chargers Moneyline (+120): L.A.’s 1-1 with a dominant win over Detroit and a strong joint practice. They’re a live underdog to steal a road win.
  2. Under 36.5 Total Points (-110): San Fran’s offense is shaky, and L.A.’s defense is stingy. Expect a low-scorin’ grind with conservative play-callin’.
  3. Chargers +2.5 (-108): The Chargers’ depth and defensive edge keep it close, coverin’ the spread even if they don’t win outright.

For more NFL picks and previews, check out my NFL Picks

Author

  • Corey Clarkson is a seasoned sports journalist and analyst with a passion for telling the stories behind the stats. With years of experience covering everything from the NFL playoffs to the World Cup, Corey’s insight bridges hard data with the human side of sports. His work dives deep into game strategy, player performance, and league trends—helping readers not just follow sports, but truly understand them. Whether it’s breaking down a crucial fourth-quarter play, analyzing a blockbuster trade, or exploring the culture around the game, Corey delivers content that informs, entertains, and sparks conversation.

    Corey has attended major sporting events across the world, interviewed professional athletes and coaches, and built a reputation for sharp, unbiased reporting. His goal is to bring fans closer to the action, whether they’re at the stadium, watching from home, or reading along.

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