San Francisco 49ers quarterback Mac Jones led the team to a thrilling overtime win against the Los Angeles Rams in Week 5 of the 2025 NFL season. Despite being heavy underdogs, the 49ers stunned the Rams with strong performances from Jones, Kendrick Bourne, and their young defense.
The Underdog Story
In a matchup where few expected success, Mac Jones and the San Francisco 49ers shocked the NFL world with a 26-23 overtime win against the Los Angeles Rams. Entering as 8.5-point underdogs, the Niners proved that resilience, leadership, and depth can overcome injuries and doubt.
A Historic Upset in the NFL 2025 Season
The 49ers’ victory over the Rams wasn’t just another divisional win — it was the biggest upset of the 2025 NFL season so far. According to ESPN BET, this was San Francisco’s first outright win as such heavy underdogs since 2011, when they defeated the Philadelphia Eagles as 9.5-point dogs.
Now sitting at 4-1 overall and 3-0 in the NFC West, the Niners continue to hold firm despite being without Brock Purdy, Brandon Aiyuk, Ricky Pearsall, Jauan Jennings, George Kittle, and Nick Bosa.
Mac Jones’ Stats vs Rams: Career-Defining Performance
Despite battling a sprained knee and cramping forearm, Jones put up numbers that silenced his critics:
- 33-of-49 completions
- 342 passing yards
- 2 touchdowns, 0 interceptions
- 100.9 passer rating
Head coach Kyle Shanahan praised his grit:
“He played his ass off. To throw that many times, avoid turnovers, and battle through injury against this defense — I can’t say enough good things about Mac.”
With Brock Purdy still week-to-week, Jones may continue leading the team when they face the Tampa Bay Buccaneers in Week 6.
Kendrick Bourne & Christian McCaffrey Spark the Offense
The 49ers offense found rhythm early as Jones connected with Jake Tonges and Christian McCaffrey for touchdowns, giving San Francisco a 14-0 lead.
The standout performer was Kendrick Bourne, who bounced back from last week’s drops with:
- 10 receptions
- 142 yards
- 8 first downs
Fullback Kyle Juszczyk praised him:
“KB has brought so much energy to this team. He’s definitely helped spark us.”
Rookie Defense Seals the Win
San Francisco’s young defenders made critical plays that swung the game:
- Alfred Collins forced and recovered a fumble near the goal line late in the fourth quarter.
- Marques Sigle tackled Kyren Williams short on a crucial 4th-and-1, clinching the win.
Linebacker Fred Warner credited the rookies:
“Our young guys keep showing up big. They’re just getting started.”
Key Takeaways from the 49ers’ Win Over Rams
- Biggest upset of the 2025 NFL season so far
- Mac Jones delivered a career-best performance under pressure
- Kendrick Bourne stepped up as a reliable WR1
- Rookies made game-saving defensive plays
- The 49ers remain undefeated in NFC West play (3-0)
FAQs: 49ers vs Rams Week 5
Q1: Who started at quarterback for the 49ers against the Rams?
A: Backup quarterback Mac Jones started and delivered 342 passing yards with two touchdowns.
Q2: Why was San Francisco considered such a heavy underdog?
A: The team was missing several stars including Brock Purdy, Brandon Aiyuk, George Kittle, and Nick Bosa, which dropped expectations.
Q3: What was the final score of the 49ers vs Rams game?
A: The 49ers defeated the Rams 26-23 in overtime.
Q4: Who was the standout offensive player for San Francisco?
A: Wide receiver Kendrick Bourne with 10 catches for 142 yards.
Q5: How does this win impact the 49ers’ season?
A: The victory moved San Francisco to 4-1 overall and kept them undefeated in NFC West divisional play.
Expert Analysis: Mac Jones Defies Odds in Overtime Victory Against the Los Angeles Rams
The San Francisco 49ers’ dramatic 26-23 overtime win over the Rams stands out as a turning point — not just for the team, but especially for Mac Jones. Thrust into action without starter Brock Purdy, missing top receivers and defensive stars, Jones delivered arguably the best outing of his career: 33-of-49 for 342 yards, 2 touchdowns, 0 interceptions. ESPN.com+2The Guardian+2
1. Seizing Opportunity Under Pressure
Jones stepped into a hostile environment as an 8.5-point underdog and performed with poise far beyond expectations. He engineered long drives early, especially in the first half, establishing a 14-0 lead. He absorbed punishment — limping, cramping, even seen struggling between snaps — yet he maintained focus and composure. The Guardian+1 His key 18-yard pass on 3rd-and-1 late in regulation showcased that growth: he trusted his read, threw decisively, and extended a crucial drive. SI
2. Scheme Fit, Execution & Trust
A major reason this breakout happened: Jones landed in a scheme tailor-made for him under coach Kyle Shanahan. His system emphasises rhythm, quick decisions and leveraging short-to-intermediate throws — areas where Jones excelled at Alabama and was unlocked this week. Shanahan’s aggressive fourth-down decisions (3-for-3 conversions) gave the offense freedom and pressure-release. San Francisco Chronicle+1 The result: Jones felt comfortable, receivers made plays (notably Kendrick Bourne with 142 yards), and the offense dominated snaps and tempo. San Francisco Chronicle
3. Clutch Performance & Game-Saving Defense
In the kind of game that tests character, Jones didn’t stumble. His final drive set up kicker Eddy Piñeiro’s 41-yard OT field goal; then the defense sealed it on 4th-and-1 at the 11-yard line. For Jones, the win validates his maturation — even as a backup — into a player who can win big games. Reuters+1
4. Legacy & Team Context
This victory carries bigger implications: the 49ers are now 4-1 and 3-0 in the NFC West — resilient despite injuries — and Jones’ performance may quiet doubts about the depth at quarterback. While Purdy remains starter when healthy, Jones has earned trust as an elite game-manager in Shanahan’s offense. Analysts are already comparing his path to revival akin to past turnaround QB stories. Yahoo Sports
Mac Jones’ performance against the Rams wasn’t a fluke — it was a statement. In the face of adversity, he showed mental toughness, strategic execution and leadership. The 49ers’ win is an example of how strong systems, adaptability and team buy-in can elevate a quarterback’s performance. Whether Jones remains a starter long-term or serves as a trusted backup, this game cemented his value, earned him credibility, and may mark the beginning of a new chapter in his career.
Final Thoughts
The San Francisco 49ers’ overtime win over the Rams was more than just a divisional victory — it was a statement that this team’s depth and determination make them true contenders. With Mac Jones leading the charge, Bourne stepping up on offense, and rookie defenders sealing the win, the Niners showed the NFL they’re not going away anytime soon.
As Week 6 approaches, all eyes will be on whether Brock Purdy returns or if Mac Jones continues his underdog magic against Tampa Bay.